Finding the Fourth Proportional to 113,938.89, 157,222.13 and 68,616.15

Step by Step Solution

1. Step 1: Write the proportion equation
   113,938.89 : 157,222.13 = 68,616.15 : x
2. Step 2: Convert to fraction form
   113,938.89/157,222.13 = 68,616.15/x
3. Step 3: Cross multiply
   113,938.89x = 157,222.13 × 68,616.15
4. Step 4: Simplify right side
   113,938.89x = 10,787,976,912.32
5. Step 5: Solve for x
   x = 10,787,976,912.32/113,938.89
6. Step 6: Final answer
   x = 94,682.13