Finding the Fourth Proportional to 5,200.88, 7,797.12 and 3,553.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.88 : 7,797.12 = 3,553.28 : x
2. Step 2: Convert to fraction form
   5,200.88/7,797.12 = 3,553.28/x
3. Step 3: Cross multiply
   5,200.88x = 7,797.12 × 3,553.28
4. Step 4: Simplify right side
   5,200.88x = 27,705,350.55
5. Step 5: Solve for x
   x = 27,705,350.55/5,200.88
6. Step 6: Final answer
   x = 5,327.05