Finding the Fourth Proportional to 16,510.32, 24,775.20 and 7,745.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.32 : 24,775.20 = 7,745.31 : x
2. Step 2: Convert to fraction form
   16,510.32/24,775.20 = 7,745.31/x
3. Step 3: Cross multiply
   16,510.32x = 24,775.20 × 7,745.31
4. Step 4: Simplify right side
   16,510.32x = 191,891,604.31
5. Step 5: Solve for x
   x = 191,891,604.31/16,510.32
6. Step 6: Final answer
   x = 11,622.52