Finding the Fourth Proportional to 32,100.72, 48,153.24 and 8,726.64

Step by Step Solution

1. Step 1: Write the proportion equation
   32,100.72 : 48,153.24 = 8,726.64 : x
2. Step 2: Convert to fraction form
   32,100.72/48,153.24 = 8,726.64/x
3. Step 3: Cross multiply
   32,100.72x = 48,153.24 × 8,726.64
4. Step 4: Simplify right side
   32,100.72x = 420,215,990.31
5. Step 5: Solve for x
   x = 420,215,990.31/32,100.72
6. Step 6: Final answer
   x = 13,090.55