Finding the Fourth Proportional to 62,492.29, 86,279.61 and 55,766.36

Step by Step Solution

1. Step 1: Write the proportion equation
   62,492.29 : 86,279.61 = 55,766.36 : x
2. Step 2: Convert to fraction form
   62,492.29/86,279.61 = 55,766.36/x
3. Step 3: Cross multiply
   62,492.29x = 86,279.61 × 55,766.36
4. Step 4: Simplify right side
   62,492.29x = 4,811,499,731.42
5. Step 5: Solve for x
   x = 4,811,499,731.42/62,492.29
6. Step 6: Final answer
   x = 76,993.49