Finding the Fourth Proportional to 82,355.56, 113,662.85 and 52,143.68

Step by Step Solution

1. Step 1: Write the proportion equation
   82,355.56 : 113,662.85 = 52,143.68 : x
2. Step 2: Convert to fraction form
   82,355.56/113,662.85 = 52,143.68/x
3. Step 3: Cross multiply
   82,355.56x = 113,662.85 × 52,143.68
4. Step 4: Simplify right side
   82,355.56x = 5,926,799,301.73
5. Step 5: Solve for x
   x = 5,926,799,301.73/82,355.56
6. Step 6: Final answer
   x = 71,965.99