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Finding the Fourth Proportional to 128,322.92, 192,436.44 and 44,059.16

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Solution

The fourth proportional to 128,322.92, 192,436.44 and 44,059.16 is: 66,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,322.92 : 192,436.44 = 44,059.16 : x
  2. Step 2: Convert to fraction form
    128,322.92/192,436.44 = 44,059.16/x
  3. Step 3: Cross multiply
    128,322.92x = 192,436.44 × 44,059.16
  4. Step 4: Simplify right side
    128,322.92x = 8,478,587,899.79
  5. Step 5: Solve for x
    x = 8,478,587,899.79/128,322.92
  6. Step 6: Final answer
    x = 66,072.28

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