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Finding the Fourth Proportional to 123,235.56, 170,065.08 and 66,646.92

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Solution

The fourth proportional to 123,235.56, 170,065.08 and 66,646.92 is: 91,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,235.56 : 170,065.08 = 66,646.92 : x
  2. Step 2: Convert to fraction form
    123,235.56/170,065.08 = 66,646.92/x
  3. Step 3: Cross multiply
    123,235.56x = 170,065.08 × 66,646.92
  4. Step 4: Simplify right side
    123,235.56x = 11,334,313,781.55
  5. Step 5: Solve for x
    x = 11,334,313,781.55/123,235.56
  6. Step 6: Final answer
    x = 91,972.75

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