Finding the Fourth Proportional to 2,502.72, 3,452.18 and 1,864.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.72 : 3,452.18 = 1,864.13 : x
2. Step 2: Convert to fraction form
   2,502.72/3,452.18 = 1,864.13/x
3. Step 3: Cross multiply
   2,502.72x = 3,452.18 × 1,864.13
4. Step 4: Simplify right side
   2,502.72x = 6,435,285.72
5. Step 5: Solve for x
   x = 6,435,285.72/2,502.72
6. Step 6: Final answer
   x = 2,571.32