Finding the Fourth Proportional to 22,729.82, 34,110.29 and 7,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,729.82 : 34,110.29 = 7,938.72 : x
2. Step 2: Convert to fraction form
   22,729.82/34,110.29 = 7,938.72/x
3. Step 3: Cross multiply
   22,729.82x = 34,110.29 × 7,938.72
4. Step 4: Simplify right side
   22,729.82x = 270,792,061.28
5. Step 5: Solve for x
   x = 270,792,061.28/22,729.82
6. Step 6: Final answer
   x = 11,913.52