Finding the Fourth Proportional to 10,275.90, 14,180.78 and 5,560.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.90 : 14,180.78 = 5,560.18 : x
2. Step 2: Convert to fraction form
   10,275.90/14,180.78 = 5,560.18/x
3. Step 3: Cross multiply
   10,275.90x = 14,180.78 × 5,560.18
4. Step 4: Simplify right side
   10,275.90x = 78,847,661.54
5. Step 5: Solve for x
   x = 78,847,661.54/10,275.90
6. Step 6: Final answer
   x = 7,673.07