Finding the Fourth Proportional to 10,275.32, 14,179.92 and 5,559.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.32 : 14,179.92 = 5,559.60 : x
2. Step 2: Convert to fraction form
   10,275.32/14,179.92 = 5,559.60/x
3. Step 3: Cross multiply
   10,275.32x = 14,179.92 × 5,559.60
4. Step 4: Simplify right side
   10,275.32x = 78,834,683.23
5. Step 5: Solve for x
   x = 78,834,683.23/10,275.32
6. Step 6: Final answer
   x = 7,672.24