Finding the Fourth Proportional to 82,340.15, 113,566.69 and 70,874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,340.15 : 113,566.69 = 70,874.56 : x
2. Step 2: Convert to fraction form
   82,340.15/113,566.69 = 70,874.56/x
3. Step 3: Cross multiply
   82,340.15x = 113,566.69 × 70,874.56
4. Step 4: Simplify right side
   82,340.15x = 8,048,989,414.96
5. Step 5: Solve for x
   x = 8,048,989,414.96/82,340.15
6. Step 6: Final answer
   x = 97,752.92