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Finding the Fourth Proportional to 88,615.26, 122,253.03 and 56,802.78

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Solution

The fourth proportional to 88,615.26, 122,253.03 and 56,802.78 is: 78,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,615.26 : 122,253.03 = 56,802.78 : x
  2. Step 2: Convert to fraction form
    88,615.26/122,253.03 = 56,802.78/x
  3. Step 3: Cross multiply
    88,615.26x = 122,253.03 × 56,802.78
  4. Step 4: Simplify right side
    88,615.26x = 6,944,311,967.42
  5. Step 5: Solve for x
    x = 6,944,311,967.42/88,615.26
  6. Step 6: Final answer
    x = 78,364.74

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