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Finding the Fourth Proportional to 13,137.71, 19,695.30 and 5,736.74

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Solution

The fourth proportional to 13,137.71, 19,695.30 and 5,736.74 is: 8,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.71 : 19,695.30 = 5,736.74 : x
  2. Step 2: Convert to fraction form
    13,137.71/19,695.30 = 5,736.74/x
  3. Step 3: Cross multiply
    13,137.71x = 19,695.30 × 5,736.74
  4. Step 4: Simplify right side
    13,137.71x = 112,986,716.85
  5. Step 5: Solve for x
    x = 112,986,716.85/13,137.71
  6. Step 6: Final answer
    x = 8,600.19

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