Finding the Fourth Proportional to 82,073.89, 113,242.68 and 49,807.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,073.89 : 113,242.68 = 49,807.78 : x
2. Step 2: Convert to fraction form
   82,073.89/113,242.68 = 49,807.78/x
3. Step 3: Cross multiply
   82,073.89x = 113,242.68 × 49,807.78
4. Step 4: Simplify right side
   82,073.89x = 5,640,366,492.05
5. Step 5: Solve for x
   x = 5,640,366,492.05/82,073.89
6. Step 6: Final answer
   x = 68,723.03