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Finding the Fourth Proportional to 365,310.34, 548,009.79 and 128,604.58

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Solution

The fourth proportional to 365,310.34, 548,009.79 and 128,604.58 is: 192,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,310.34 : 548,009.79 = 128,604.58 : x
  2. Step 2: Convert to fraction form
    365,310.34/548,009.79 = 128,604.58/x
  3. Step 3: Cross multiply
    365,310.34x = 548,009.79 × 128,604.58
  4. Step 4: Simplify right side
    365,310.34x = 70,476,568,878.84
  5. Step 5: Solve for x
    x = 70,476,568,878.84/365,310.34
  6. Step 6: Final answer
    x = 192,922.46

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