Finding the Fourth Proportional to 10,275.26, 14,179.91 and 5,559.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.26 : 14,179.91 = 5,559.57 : x
2. Step 2: Convert to fraction form
   10,275.26/14,179.91 = 5,559.57/x
3. Step 3: Cross multiply
   10,275.26x = 14,179.91 × 5,559.57
4. Step 4: Simplify right side
   10,275.26x = 78,834,174.44
5. Step 5: Solve for x
   x = 78,834,174.44/10,275.26
6. Step 6: Final answer
   x = 7,672.24