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Finding the Fourth Proportional to 91,586.92, 126,401.16 and 55,782.13

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Solution

The fourth proportional to 91,586.92, 126,401.16 and 55,782.13 is: 76,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,586.92 : 126,401.16 = 55,782.13 : x
  2. Step 2: Convert to fraction form
    91,586.92/126,401.16 = 55,782.13/x
  3. Step 3: Cross multiply
    91,586.92x = 126,401.16 × 55,782.13
  4. Step 4: Simplify right side
    91,586.92x = 7,050,925,939.27
  5. Step 5: Solve for x
    x = 7,050,925,939.27/91,586.92
  6. Step 6: Final answer
    x = 76,986.17

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