Finding the Fourth Proportional to 14,763.86, 20,373.89 and 8,049.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,763.86 : 20,373.89 = 8,049.31 : x
2. Step 2: Convert to fraction form
   14,763.86/20,373.89 = 8,049.31/x
3. Step 3: Cross multiply
   14,763.86x = 20,373.89 × 8,049.31
4. Step 4: Simplify right side
   14,763.86x = 163,995,756.52
5. Step 5: Solve for x
   x = 163,995,756.52/14,763.86
6. Step 6: Final answer
   x = 11,107.92