Finding the Fourth Proportional to 5,766.17, 7,899.68 and 5,550.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,766.17 : 7,899.68 = 5,550.20 : x
2. Step 2: Convert to fraction form
   5,766.17/7,899.68 = 5,550.20/x
3. Step 3: Cross multiply
   5,766.17x = 7,899.68 × 5,550.20
4. Step 4: Simplify right side
   5,766.17x = 43,844,803.94
5. Step 5: Solve for x
   x = 43,844,803.94/5,766.17
6. Step 6: Final answer
   x = 7,603.80