Finding the Fourth Proportional to 10,275.39, 14,180.07 and 5,559.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.39 : 14,180.07 = 5,559.67 : x
2. Step 2: Convert to fraction form
   10,275.39/14,180.07 = 5,559.67/x
3. Step 3: Cross multiply
   10,275.39x = 14,180.07 × 5,559.67
4. Step 4: Simplify right side
   10,275.39x = 78,836,481.98
5. Step 5: Solve for x
   x = 78,836,481.98/10,275.39
6. Step 6: Final answer
   x = 7,672.36