Finding the Fourth Proportional to 10,275.56, 14,180.28 and 5,559.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.56 : 14,180.28 = 5,559.84 : x
2. Step 2: Convert to fraction form
   10,275.56/14,180.28 = 5,559.84/x
3. Step 3: Cross multiply
   10,275.56x = 14,180.28 × 5,559.84
4. Step 4: Simplify right side
   10,275.56x = 78,840,017.05
5. Step 5: Solve for x
   x = 78,840,017.05/10,275.56
6. Step 6: Final answer
   x = 7,672.58