Finding the Fourth Proportional to 10,275.66, 14,180.31 and 5,559.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.66 : 14,180.31 = 5,559.84 : x
2. Step 2: Convert to fraction form
   10,275.66/14,180.31 = 5,559.84/x
3. Step 3: Cross multiply
   10,275.66x = 14,180.31 × 5,559.84
4. Step 4: Simplify right side
   10,275.66x = 78,840,254.75
5. Step 5: Solve for x
   x = 78,840,254.75/10,275.66
6. Step 6: Final answer
   x = 7,672.52