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Finding the Fourth Proportional to 123,446.22, 170,356.02 and 66,857.61

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Solution

The fourth proportional to 123,446.22, 170,356.02 and 66,857.61 is: 92,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,446.22 : 170,356.02 = 66,857.61 : x
  2. Step 2: Convert to fraction form
    123,446.22/170,356.02 = 66,857.61/x
  3. Step 3: Cross multiply
    123,446.22x = 170,356.02 × 66,857.61
  4. Step 4: Simplify right side
    123,446.22x = 11,389,596,346.31
  5. Step 5: Solve for x
    x = 11,389,596,346.31/123,446.22
  6. Step 6: Final answer
    x = 92,263.63

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