Finding the Fourth Proportional to 82,061.64, 113,175.27 and 56,608.61

Step by Step Solution

1. Step 1: Write the proportion equation
   82,061.64 : 113,175.27 = 56,608.61 : x
2. Step 2: Convert to fraction form
   82,061.64/113,175.27 = 56,608.61/x
3. Step 3: Cross multiply
   82,061.64x = 113,175.27 × 56,608.61
4. Step 4: Simplify right side
   82,061.64x = 6,406,694,155.20
5. Step 5: Solve for x
   x = 6,406,694,155.20/82,061.64
6. Step 6: Final answer
   x = 78,071.73