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Finding the Fourth Proportional to 71,834.68, 107,743.71 and 19,248.40

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Solution

The fourth proportional to 71,834.68, 107,743.71 and 19,248.40 is: 28,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,834.68 : 107,743.71 = 19,248.40 : x
  2. Step 2: Convert to fraction form
    71,834.68/107,743.71 = 19,248.40/x
  3. Step 3: Cross multiply
    71,834.68x = 107,743.71 × 19,248.40
  4. Step 4: Simplify right side
    71,834.68x = 2,073,894,027.56
  5. Step 5: Solve for x
    x = 2,073,894,027.56/71,834.68
  6. Step 6: Final answer
    x = 28,870.37

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