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Finding the Fourth Proportional to 13,167.71, 19,749.60 and 4,845.78

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Solution

The fourth proportional to 13,167.71, 19,749.60 and 4,845.78 is: 7,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.71 : 19,749.60 = 4,845.78 : x
  2. Step 2: Convert to fraction form
    13,167.71/19,749.60 = 4,845.78/x
  3. Step 3: Cross multiply
    13,167.71x = 19,749.60 × 4,845.78
  4. Step 4: Simplify right side
    13,167.71x = 95,702,216.69
  5. Step 5: Solve for x
    x = 95,702,216.69/13,167.71
  6. Step 6: Final answer
    x = 7,267.95

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