Finding the Fourth Proportional to 10,647.72, 14,685.84 and 8,876.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.72 : 14,685.84 = 8,876.52 : x
2. Step 2: Convert to fraction form
   10,647.72/14,685.84 = 8,876.52/x
3. Step 3: Cross multiply
   10,647.72x = 14,685.84 × 8,876.52
4. Step 4: Simplify right side
   10,647.72x = 130,359,152.48
5. Step 5: Solve for x
   x = 130,359,152.48/10,647.72
6. Step 6: Final answer
   x = 12,242.92