Finding the Fourth Proportional to 10,549.56, 15,826.74 and 5,616.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,549.56 : 15,826.74 = 5,616.60 : x
2. Step 2: Convert to fraction form
   10,549.56/15,826.74 = 5,616.60/x
3. Step 3: Cross multiply
   10,549.56x = 15,826.74 × 5,616.60
4. Step 4: Simplify right side
   10,549.56x = 88,892,467.88
5. Step 5: Solve for x
   x = 88,892,467.88/10,549.56
6. Step 6: Final answer
   x = 8,426.18