Finding the Fourth Proportional to 16,131.76, 22,264.24 and 9,847.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.76 : 22,264.24 = 9,847.78 : x
2. Step 2: Convert to fraction form
   16,131.76/22,264.24 = 9,847.78/x
3. Step 3: Cross multiply
   16,131.76x = 22,264.24 × 9,847.78
4. Step 4: Simplify right side
   16,131.76x = 219,253,337.39
5. Step 5: Solve for x
   x = 219,253,337.39/16,131.76
6. Step 6: Final answer
   x = 13,591.41