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Finding the Fourth Proportional to 77,115.96, 106,378.89 and 46,910.52

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Solution

The fourth proportional to 77,115.96, 106,378.89 and 46,910.52 is: 64,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,115.96 : 106,378.89 = 46,910.52 : x
  2. Step 2: Convert to fraction form
    77,115.96/106,378.89 = 46,910.52/x
  3. Step 3: Cross multiply
    77,115.96x = 106,378.89 × 46,910.52
  4. Step 4: Simplify right side
    77,115.96x = 4,990,289,046.92
  5. Step 5: Solve for x
    x = 4,990,289,046.92/77,115.96
  6. Step 6: Final answer
    x = 64,711.49

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