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Finding the Fourth Proportional to 29,680.85, 44,520.91 and 11,919.38

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Solution

The fourth proportional to 29,680.85, 44,520.91 and 11,919.38 is: 17,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.85 : 44,520.91 = 11,919.38 : x
  2. Step 2: Convert to fraction form
    29,680.85/44,520.91 = 11,919.38/x
  3. Step 3: Cross multiply
    29,680.85x = 44,520.91 × 11,919.38
  4. Step 4: Simplify right side
    29,680.85x = 530,661,391.83
  5. Step 5: Solve for x
    x = 530,661,391.83/29,680.85
  6. Step 6: Final answer
    x = 17,878.91

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