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Finding the Fourth Proportional to 68,859.71, 103,277.68 and 18,259.09

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Solution

The fourth proportional to 68,859.71, 103,277.68 and 18,259.09 is: 27,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,859.71 : 103,277.68 = 18,259.09 : x
  2. Step 2: Convert to fraction form
    68,859.71/103,277.68 = 18,259.09/x
  3. Step 3: Cross multiply
    68,859.71x = 103,277.68 × 18,259.09
  4. Step 4: Simplify right side
    68,859.71x = 1,885,756,150.27
  5. Step 5: Solve for x
    x = 1,885,756,150.27/68,859.71
  6. Step 6: Final answer
    x = 27,385.48

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