Finding the Fourth Proportional to 10,561.17, 15,845.27 and 3,541.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561.17 : 15,845.27 = 3,541.88 : x
2. Step 2: Convert to fraction form
   10,561.17/15,845.27 = 3,541.88/x
3. Step 3: Cross multiply
   10,561.17x = 15,845.27 × 3,541.88
4. Step 4: Simplify right side
   10,561.17x = 56,121,947.97
5. Step 5: Solve for x
   x = 56,121,947.97/10,561.17
6. Step 6: Final answer
   x = 5,313.99