Finding the Fourth Proportional to 10,275.80, 14,180.63 and 5,560.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.80 : 14,180.63 = 5,560.09 : x
2. Step 2: Convert to fraction form
   10,275.80/14,180.63 = 5,560.09/x
3. Step 3: Cross multiply
   10,275.80x = 14,180.63 × 5,560.09
4. Step 4: Simplify right side
   10,275.80x = 78,845,515.80
5. Step 5: Solve for x
   x = 78,845,515.80/10,275.80
6. Step 6: Final answer
   x = 7,672.93