Finding the Fourth Proportional to 82,656.96, 113,873.76 and 57,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,656.96 : 113,873.76 = 57,462.72 : x
2. Step 2: Convert to fraction form
   82,656.96/113,873.76 = 57,462.72/x
3. Step 3: Cross multiply
   82,656.96x = 113,873.76 × 57,462.72
4. Step 4: Simplify right side
   82,656.96x = 6,543,495,986.23
5. Step 5: Solve for x
   x = 6,543,495,986.23/82,656.96
6. Step 6: Final answer
   x = 79,164.49