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Finding the Fourth Proportional to 29,174.64, 43,658.28 and 21,364.08

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Solution

The fourth proportional to 29,174.64, 43,658.28 and 21,364.08 is: 31,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,174.64 : 43,658.28 = 21,364.08 : x
  2. Step 2: Convert to fraction form
    29,174.64/43,658.28 = 21,364.08/x
  3. Step 3: Cross multiply
    29,174.64x = 43,658.28 × 21,364.08
  4. Step 4: Simplify right side
    29,174.64x = 932,718,986.58
  5. Step 5: Solve for x
    x = 932,718,986.58/29,174.64
  6. Step 6: Final answer
    x = 31,970.20

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