Finding the Fourth Proportional to 82,196.54, 113,431.27 and 57,060.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,196.54 : 113,431.27 = 57,060.62 : x
2. Step 2: Convert to fraction form
   82,196.54/113,431.27 = 57,060.62/x
3. Step 3: Cross multiply
   82,196.54x = 113,431.27 × 57,060.62
4. Step 4: Simplify right side
   82,196.54x = 6,472,458,593.59
5. Step 5: Solve for x
   x = 6,472,458,593.59/82,196.54
6. Step 6: Final answer
   x = 78,743.69