Finding the Fourth Proportional to 10,553.89, 15,832.88 and 3,157.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,553.89 : 15,832.88 = 3,157.71 : x
2. Step 2: Convert to fraction form
   10,553.89/15,832.88 = 3,157.71/x
3. Step 3: Cross multiply
   10,553.89x = 15,832.88 × 3,157.71
4. Step 4: Simplify right side
   10,553.89x = 49,995,627.72
5. Step 5: Solve for x
   x = 49,995,627.72/10,553.89
6. Step 6: Final answer
   x = 4,737.18