Finding the Fourth Proportional to 2,433.10, 3,648.54 and 872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.10 : 3,648.54 = 872.50 : x
2. Step 2: Convert to fraction form
   2,433.10/3,648.54 = 872.50/x
3. Step 3: Cross multiply
   2,433.10x = 3,648.54 × 872.50
4. Step 4: Simplify right side
   2,433.10x = 3,183,351.15
5. Step 5: Solve for x
   x = 3,183,351.15/2,433.10
6. Step 6: Final answer
   x = 1,308.35