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Finding the Fourth Proportional to 88,613.82, 122,217.93 and 56,785.68

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Solution

The fourth proportional to 88,613.82, 122,217.93 and 56,785.68 is: 78,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,613.82 : 122,217.93 = 56,785.68 : x
  2. Step 2: Convert to fraction form
    88,613.82/122,217.93 = 56,785.68/x
  3. Step 3: Cross multiply
    88,613.82x = 122,217.93 × 56,785.68
  4. Step 4: Simplify right side
    88,613.82x = 6,940,228,263.24
  5. Step 5: Solve for x
    x = 6,940,228,263.24/88,613.82
  6. Step 6: Final answer
    x = 78,319.93

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