Finding the Fourth Proportional to 10,560.25, 15,843.86 and 3,543.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.25 : 15,843.86 = 3,543.57 : x
2. Step 2: Convert to fraction form
   10,560.25/15,843.86 = 3,543.57/x
3. Step 3: Cross multiply
   10,560.25x = 15,843.86 × 3,543.57
4. Step 4: Simplify right side
   10,560.25x = 56,143,826.98
5. Step 5: Solve for x
   x = 56,143,826.98/10,560.25
6. Step 6: Final answer
   x = 5,316.52