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Finding the Fourth Proportional to 41,106.80, 61,660.20 and 13,404.80

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Solution

The fourth proportional to 41,106.80, 61,660.20 and 13,404.80 is: 20,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,106.80 : 61,660.20 = 13,404.80 : x
  2. Step 2: Convert to fraction form
    41,106.80/61,660.20 = 13,404.80/x
  3. Step 3: Cross multiply
    41,106.80x = 61,660.20 × 13,404.80
  4. Step 4: Simplify right side
    41,106.80x = 826,542,648.96
  5. Step 5: Solve for x
    x = 826,542,648.96/41,106.80
  6. Step 6: Final answer
    x = 20,107.20

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