Finding the Fourth Proportional to 2,508.59, 3,763.23 and 1,047.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.59 : 3,763.23 = 1,047.40 : x
2. Step 2: Convert to fraction form
   2,508.59/3,763.23 = 1,047.40/x
3. Step 3: Cross multiply
   2,508.59x = 3,763.23 × 1,047.40
4. Step 4: Simplify right side
   2,508.59x = 3,941,607.10
5. Step 5: Solve for x
   x = 3,941,607.10/2,508.59
6. Step 6: Final answer
   x = 1,571.24