Finding the Fourth Proportional to 4,200.72, 5,797.37 and 2,312.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,200.72 : 5,797.37 = 2,312.69 : x
2. Step 2: Convert to fraction form
   4,200.72/5,797.37 = 2,312.69/x
3. Step 3: Cross multiply
   4,200.72x = 5,797.37 × 2,312.69
4. Step 4: Simplify right side
   4,200.72x = 13,407,479.08
5. Step 5: Solve for x
   x = 13,407,479.08/4,200.72
6. Step 6: Final answer
   x = 3,191.71