Finding the Fourth Proportional to 10,560.56, 15,831.10 and 5,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.56 : 15,831.10 = 5,016.50 : x
2. Step 2: Convert to fraction form
   10,560.56/15,831.10 = 5,016.50/x
3. Step 3: Cross multiply
   10,560.56x = 15,831.10 × 5,016.50
4. Step 4: Simplify right side
   10,560.56x = 79,416,713.15
5. Step 5: Solve for x
   x = 79,416,713.15/10,560.56
6. Step 6: Final answer
   x = 7,520.12