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Finding the Fourth Proportional to 29,209.66, 43,785.33 and 11,415.91

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Solution

The fourth proportional to 29,209.66, 43,785.33 and 11,415.91 is: 17,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,209.66 : 43,785.33 = 11,415.91 : x
  2. Step 2: Convert to fraction form
    29,209.66/43,785.33 = 11,415.91/x
  3. Step 3: Cross multiply
    29,209.66x = 43,785.33 × 11,415.91
  4. Step 4: Simplify right side
    29,209.66x = 499,849,535.89
  5. Step 5: Solve for x
    x = 499,849,535.89/29,209.66
  6. Step 6: Final answer
    x = 17,112.47

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