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Finding the Fourth Proportional to 77,746.50, 107,299.62 and 43,767.72

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Solution

The fourth proportional to 77,746.50, 107,299.62 and 43,767.72 is: 60,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746.50 : 107,299.62 = 43,767.72 : x
  2. Step 2: Convert to fraction form
    77,746.50/107,299.62 = 43,767.72/x
  3. Step 3: Cross multiply
    77,746.50x = 107,299.62 × 43,767.72
  4. Step 4: Simplify right side
    77,746.50x = 4,696,259,724.27
  5. Step 5: Solve for x
    x = 4,696,259,724.27/77,746.50
  6. Step 6: Final answer
    x = 60,404.77

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