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Finding the Fourth Proportional to 88,707.03, 122,335.79 and 56,869.71

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Solution

The fourth proportional to 88,707.03, 122,335.79 and 56,869.71 is: 78,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,707.03 : 122,335.79 = 56,869.71 : x
  2. Step 2: Convert to fraction form
    88,707.03/122,335.79 = 56,869.71/x
  3. Step 3: Cross multiply
    88,707.03x = 122,335.79 × 56,869.71
  4. Step 4: Simplify right side
    88,707.03x = 6,957,200,615.57
  5. Step 5: Solve for x
    x = 6,957,200,615.57/88,707.03
  6. Step 6: Final answer
    x = 78,428.97

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