Finding the Fourth Proportional to 5,550.72, 8,304.50 and 5,085.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.72 : 8,304.50 = 5,085.32 : x
2. Step 2: Convert to fraction form
   5,550.72/8,304.50 = 5,085.32/x
3. Step 3: Cross multiply
   5,550.72x = 8,304.50 × 5,085.32
4. Step 4: Simplify right side
   5,550.72x = 42,231,039.94
5. Step 5: Solve for x
   x = 42,231,039.94/5,550.72
6. Step 6: Final answer
   x = 7,608.21