Finding the Fourth Proportional to 8,850.48, 13,278.72 and 5,559.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,850.48 : 13,278.72 = 5,559.72 : x
2. Step 2: Convert to fraction form
   8,850.48/13,278.72 = 5,559.72/x
3. Step 3: Cross multiply
   8,850.48x = 13,278.72 × 5,559.72
4. Step 4: Simplify right side
   8,850.48x = 73,825,965.16
5. Step 5: Solve for x
   x = 73,825,965.16/8,850.48
6. Step 6: Final answer
   x = 8,341.46