Finding the Fourth Proportional to 14,250.82, 19,665.76 and 7,963.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,250.82 : 19,665.76 = 7,963.20 : x
2. Step 2: Convert to fraction form
   14,250.82/19,665.76 = 7,963.20/x
3. Step 3: Cross multiply
   14,250.82x = 19,665.76 × 7,963.20
4. Step 4: Simplify right side
   14,250.82x = 156,602,380.03
5. Step 5: Solve for x
   x = 156,602,380.03/14,250.82
6. Step 6: Final answer
   x = 10,989.01