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Finding the Fourth Proportional to 77,676.62, 116,264.33 and 40,185.07

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Solution

The fourth proportional to 77,676.62, 116,264.33 and 40,185.07 is: 60,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,676.62 : 116,264.33 = 40,185.07 : x
  2. Step 2: Convert to fraction form
    77,676.62/116,264.33 = 40,185.07/x
  3. Step 3: Cross multiply
    77,676.62x = 116,264.33 × 40,185.07
  4. Step 4: Simplify right side
    77,676.62x = 4,672,089,658.23
  5. Step 5: Solve for x
    x = 4,672,089,658.23/77,676.62
  6. Step 6: Final answer
    x = 60,147.95

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