Finding the Fourth Proportional to 2,508.89, 3,763.65 and 1,047.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.89 : 3,763.65 = 1,047.69 : x
2. Step 2: Convert to fraction form
   2,508.89/3,763.65 = 1,047.69/x
3. Step 3: Cross multiply
   2,508.89x = 3,763.65 × 1,047.69
4. Step 4: Simplify right side
   2,508.89x = 3,943,138.47
5. Step 5: Solve for x
   x = 3,943,138.47/2,508.89
6. Step 6: Final answer
   x = 1,571.67