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Finding the Fourth Proportional to 356,693.32, 535,040.98 and 90,454.02

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Solution

The fourth proportional to 356,693.32, 535,040.98 and 90,454.02 is: 135,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,693.32 : 535,040.98 = 90,454.02 : x
  2. Step 2: Convert to fraction form
    356,693.32/535,040.98 = 90,454.02/x
  3. Step 3: Cross multiply
    356,693.32x = 535,040.98 × 90,454.02
  4. Step 4: Simplify right side
    356,693.32x = 48,396,607,505.74
  5. Step 5: Solve for x
    x = 48,396,607,505.74/356,693.32
  6. Step 6: Final answer
    x = 135,681.28

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