Finding the Fourth Proportional to 4,200.28, 5,796.10 and 2,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,200.28 : 5,796.10 = 2,311.50 : x
2. Step 2: Convert to fraction form
   4,200.28/5,796.10 = 2,311.50/x
3. Step 3: Cross multiply
   4,200.28x = 5,796.10 × 2,311.50
4. Step 4: Simplify right side
   4,200.28x = 13,397,685.15
5. Step 5: Solve for x
   x = 13,397,685.15/4,200.28
6. Step 6: Final answer
   x = 3,189.71