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Finding the Fourth Proportional to 33,884.64, 50,836.68 and 13,122.72

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Solution

The fourth proportional to 33,884.64, 50,836.68 and 13,122.72 is: 19,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,884.64 : 50,836.68 = 13,122.72 : x
  2. Step 2: Convert to fraction form
    33,884.64/50,836.68 = 13,122.72/x
  3. Step 3: Cross multiply
    33,884.64x = 50,836.68 × 13,122.72
  4. Step 4: Simplify right side
    33,884.64x = 667,115,517.37
  5. Step 5: Solve for x
    x = 667,115,517.37/33,884.64
  6. Step 6: Final answer
    x = 19,687.84

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