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Finding the Fourth Proportional to 341,945.58, 512,459.84 and 266,135.68

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Solution

The fourth proportional to 341,945.58, 512,459.84 and 266,135.68 is: 398,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,945.58 : 512,459.84 = 266,135.68 : x
  2. Step 2: Convert to fraction form
    341,945.58/512,459.84 = 266,135.68/x
  3. Step 3: Cross multiply
    341,945.58x = 512,459.84 × 266,135.68
  4. Step 4: Simplify right side
    341,945.58x = 136,383,847,991.09
  5. Step 5: Solve for x
    x = 136,383,847,991.09/341,945.58
  6. Step 6: Final answer
    x = 398,846.65

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