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Finding the Fourth Proportional to 356,673.58, 535,012.41 and 90,434.68

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Solution

The fourth proportional to 356,673.58, 535,012.41 and 90,434.68 is: 135,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,673.58 : 535,012.41 = 90,434.68 : x
  2. Step 2: Convert to fraction form
    356,673.58/535,012.41 = 90,434.68/x
  3. Step 3: Cross multiply
    356,673.58x = 535,012.41 × 90,434.68
  4. Step 4: Simplify right side
    356,673.58x = 48,383,676,094.38
  5. Step 5: Solve for x
    x = 48,383,676,094.38/356,673.58
  6. Step 6: Final answer
    x = 135,652.54

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