Finding the Fourth Proportional to 82,330.83, 113,558.15 and 69,700.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,330.83 : 113,558.15 = 69,700.91 : x
2. Step 2: Convert to fraction form
   82,330.83/113,558.15 = 69,700.91/x
3. Step 3: Cross multiply
   82,330.83x = 113,558.15 × 69,700.91
4. Step 4: Simplify right side
   82,330.83x = 7,915,105,999.38
5. Step 5: Solve for x
   x = 7,915,105,999.38/82,330.83
6. Step 6: Final answer
   x = 96,137.81