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Finding the Fourth Proportional to 123,554.80, 185,332.20 and 73,691.20

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Solution

The fourth proportional to 123,554.80, 185,332.20 and 73,691.20 is: 110,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,554.80 : 185,332.20 = 73,691.20 : x
  2. Step 2: Convert to fraction form
    123,554.80/185,332.20 = 73,691.20/x
  3. Step 3: Cross multiply
    123,554.80x = 185,332.20 × 73,691.20
  4. Step 4: Simplify right side
    123,554.80x = 13,657,352,216.64
  5. Step 5: Solve for x
    x = 13,657,352,216.64/123,554.80
  6. Step 6: Final answer
    x = 110,536.80

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