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Finding the Fourth Proportional to 123,223.52, 170,048.46 and 66,634.89

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Solution

The fourth proportional to 123,223.52, 170,048.46 and 66,634.89 is: 91,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,223.52 : 170,048.46 = 66,634.89 : x
  2. Step 2: Convert to fraction form
    123,223.52/170,048.46 = 66,634.89/x
  3. Step 3: Cross multiply
    123,223.52x = 170,048.46 × 66,634.89
  4. Step 4: Simplify right side
    123,223.52x = 11,331,160,426.77
  5. Step 5: Solve for x
    x = 11,331,160,426.77/123,223.52
  6. Step 6: Final answer
    x = 91,956.15

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