Finding the Fourth Proportional to 2,343.52, 3,230.85 and 1,812.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.52 : 3,230.85 = 1,812.57 : x
2. Step 2: Convert to fraction form
   2,343.52/3,230.85 = 1,812.57/x
3. Step 3: Cross multiply
   2,343.52x = 3,230.85 × 1,812.57
4. Step 4: Simplify right side
   2,343.52x = 5,856,141.78
5. Step 5: Solve for x
   x = 5,856,141.78/2,343.52
6. Step 6: Final answer
   x = 2,498.87