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Finding the Fourth Proportional to 29,381.80, 44,113.20 and 18,916.60

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Solution

The fourth proportional to 29,381.80, 44,113.20 and 18,916.60 is: 28,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.80 : 44,113.20 = 18,916.60 : x
  2. Step 2: Convert to fraction form
    29,381.80/44,113.20 = 18,916.60/x
  3. Step 3: Cross multiply
    29,381.80x = 44,113.20 × 18,916.60
  4. Step 4: Simplify right side
    29,381.80x = 834,471,759.12
  5. Step 5: Solve for x
    x = 834,471,759.12/29,381.80
  6. Step 6: Final answer
    x = 28,400.97

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