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Finding the Fourth Proportional to 104,915.49, 144,783.33 and 57,168.79

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Solution

The fourth proportional to 104,915.49, 144,783.33 and 57,168.79 is: 78,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,915.49 : 144,783.33 = 57,168.79 : x
  2. Step 2: Convert to fraction form
    104,915.49/144,783.33 = 57,168.79/x
  3. Step 3: Cross multiply
    104,915.49x = 144,783.33 × 57,168.79
  4. Step 4: Simplify right side
    104,915.49x = 8,277,087,788.27
  5. Step 5: Solve for x
    x = 8,277,087,788.27/104,915.49
  6. Step 6: Final answer
    x = 78,892.91

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