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Finding the Fourth Proportional to 77,636.86, 116,479.89 and 27,715.88

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Solution

The fourth proportional to 77,636.86, 116,479.89 and 27,715.88 is: 41,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,636.86 : 116,479.89 = 27,715.88 : x
  2. Step 2: Convert to fraction form
    77,636.86/116,479.89 = 27,715.88/x
  3. Step 3: Cross multiply
    77,636.86x = 116,479.89 × 27,715.88
  4. Step 4: Simplify right side
    77,636.86x = 3,228,342,944.85
  5. Step 5: Solve for x
    x = 3,228,342,944.85/77,636.86
  6. Step 6: Final answer
    x = 41,582.61

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