Finding the Fourth Proportional to 10,242.54, 15,366.42 and 5,560.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,242.54 : 15,366.42 = 5,560.56 : x
2. Step 2: Convert to fraction form
   10,242.54/15,366.42 = 5,560.56/x
3. Step 3: Cross multiply
   10,242.54x = 15,366.42 × 5,560.56
4. Step 4: Simplify right side
   10,242.54x = 85,445,900.40
5. Step 5: Solve for x
   x = 85,445,900.40/10,242.54
6. Step 6: Final answer
   x = 8,342.26