Finding the Fourth Proportional to 2,436.72, 3,651.98 and 1,048.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.72 : 3,651.98 = 1,048.40 : x
2. Step 2: Convert to fraction form
   2,436.72/3,651.98 = 1,048.40/x
3. Step 3: Cross multiply
   2,436.72x = 3,651.98 × 1,048.40
4. Step 4: Simplify right side
   2,436.72x = 3,828,735.83
5. Step 5: Solve for x
   x = 3,828,735.83/2,436.72
6. Step 6: Final answer
   x = 1,571.27