Finding the Fourth Proportional to 82,328.57, 113,566.05 and 49,600.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,328.57 : 113,566.05 = 49,600.25 : x
2. Step 2: Convert to fraction form
   82,328.57/113,566.05 = 49,600.25/x
3. Step 3: Cross multiply
   82,328.57x = 113,566.05 × 49,600.25
4. Step 4: Simplify right side
   82,328.57x = 5,632,904,471.51
5. Step 5: Solve for x
   x = 5,632,904,471.51/82,328.57
6. Step 6: Final answer
   x = 68,419.80