Finding the Fourth Proportional to 5,738.99, 8,598.45 and 4,086.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,738.99 : 8,598.45 = 4,086.89 : x
2. Step 2: Convert to fraction form
   5,738.99/8,598.45 = 4,086.89/x
3. Step 3: Cross multiply
   5,738.99x = 8,598.45 × 4,086.89
4. Step 4: Simplify right side
   5,738.99x = 35,140,923.90
5. Step 5: Solve for x
   x = 35,140,923.90/5,738.99
6. Step 6: Final answer
   x = 6,123.19