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Finding the Fourth Proportional to 77,716.79, 116,562.75 and 27,787.58

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Solution

The fourth proportional to 77,716.79, 116,562.75 and 27,787.58 is: 41,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,716.79 : 116,562.75 = 27,787.58 : x
  2. Step 2: Convert to fraction form
    77,716.79/116,562.75 = 27,787.58/x
  3. Step 3: Cross multiply
    77,716.79x = 116,562.75 × 27,787.58
  4. Step 4: Simplify right side
    77,716.79x = 3,238,996,740.65
  5. Step 5: Solve for x
    x = 3,238,996,740.65/77,716.79
  6. Step 6: Final answer
    x = 41,676.92

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