Finding the Fourth Proportional to 22,103.24, 33,142.74 and 8,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.24 : 33,142.74 = 8,762.72 : x
2. Step 2: Convert to fraction form
   22,103.24/33,142.74 = 8,762.72/x
3. Step 3: Cross multiply
   22,103.24x = 33,142.74 × 8,762.72
4. Step 4: Simplify right side
   22,103.24x = 290,420,509.22
5. Step 5: Solve for x
   x = 290,420,509.22/22,103.24
6. Step 6: Final answer
   x = 13,139.27