Finding the Fourth Proportional to 10,553.16, 15,829.71 and 3,157.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,553.16 : 15,829.71 = 3,157.62 : x
2. Step 2: Convert to fraction form
   10,553.16/15,829.71 = 3,157.62/x
3. Step 3: Cross multiply
   10,553.16x = 15,829.71 × 3,157.62
4. Step 4: Simplify right side
   10,553.16x = 49,984,208.89
5. Step 5: Solve for x
   x = 49,984,208.89/10,553.16
6. Step 6: Final answer
   x = 4,736.42