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Finding the Fourth Proportional to 93,116.11, 128,503.13 and 52,831.57

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Solution

The fourth proportional to 93,116.11, 128,503.13 and 52,831.57 is: 72,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,116.11 : 128,503.13 = 52,831.57 : x
  2. Step 2: Convert to fraction form
    93,116.11/128,503.13 = 52,831.57/x
  3. Step 3: Cross multiply
    93,116.11x = 128,503.13 × 52,831.57
  4. Step 4: Simplify right side
    93,116.11x = 6,789,021,201.14
  5. Step 5: Solve for x
    x = 6,789,021,201.14/93,116.11
  6. Step 6: Final answer
    x = 72,909.21

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