Finding the Fourth Proportional to 5,620.89, 7,753.83 and 4,559.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,620.89 : 7,753.83 = 4,559.90 : x
2. Step 2: Convert to fraction form
   5,620.89/7,753.83 = 4,559.90/x
3. Step 3: Cross multiply
   5,620.89x = 7,753.83 × 4,559.90
4. Step 4: Simplify right side
   5,620.89x = 35,356,633.55
5. Step 5: Solve for x
   x = 35,356,633.55/5,620.89
6. Step 6: Final answer
   x = 6,290.22