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Finding the Fourth Proportional to 74,524.92, 111,787.26 and 19,120.92

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Solution

The fourth proportional to 74,524.92, 111,787.26 and 19,120.92 is: 28,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.92 : 111,787.26 = 19,120.92 : x
  2. Step 2: Convert to fraction form
    74,524.92/111,787.26 = 19,120.92/x
  3. Step 3: Cross multiply
    74,524.92x = 111,787.26 × 19,120.92
  4. Step 4: Simplify right side
    74,524.92x = 2,137,475,255.48
  5. Step 5: Solve for x
    x = 2,137,475,255.48/74,524.92
  6. Step 6: Final answer
    x = 28,681.35

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