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Finding the Fourth Proportional to 269,555.10, 404,332.65 and 82,542.30

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Solution

The fourth proportional to 269,555.10, 404,332.65 and 82,542.30 is: 123,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,555.10 : 404,332.65 = 82,542.30 : x
  2. Step 2: Convert to fraction form
    269,555.10/404,332.65 = 82,542.30/x
  3. Step 3: Cross multiply
    269,555.10x = 404,332.65 × 82,542.30
  4. Step 4: Simplify right side
    269,555.10x = 33,374,546,896.10
  5. Step 5: Solve for x
    x = 33,374,546,896.10/269,555.10
  6. Step 6: Final answer
    x = 123,813.45

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