Finding the Fourth Proportional to 10,487.72, 15,730.14 and 3,561.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.72 : 15,730.14 = 3,561.32 : x
2. Step 2: Convert to fraction form
   10,487.72/15,730.14 = 3,561.32/x
3. Step 3: Cross multiply
   10,487.72x = 15,730.14 × 3,561.32
4. Step 4: Simplify right side
   10,487.72x = 56,020,062.18
5. Step 5: Solve for x
   x = 56,020,062.18/10,487.72
6. Step 6: Final answer
   x = 5,341.49