Finding the Fourth Proportional to 16,940.98, 25,411.56 and 7,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,940.98 : 25,411.56 = 7,700.50 : x
2. Step 2: Convert to fraction form
   16,940.98/25,411.56 = 7,700.50/x
3. Step 3: Cross multiply
   16,940.98x = 25,411.56 × 7,700.50
4. Step 4: Simplify right side
   16,940.98x = 195,681,717.78
5. Step 5: Solve for x
   x = 195,681,717.78/16,940.98
6. Step 6: Final answer
   x = 11,550.79