Finding the Fourth Proportional to 2,512.27, 3,763.86 and 1,048.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512.27 : 3,763.86 = 1,048.87 : x
2. Step 2: Convert to fraction form
   2,512.27/3,763.86 = 1,048.87/x
3. Step 3: Cross multiply
   2,512.27x = 3,763.86 × 1,048.87
4. Step 4: Simplify right side
   2,512.27x = 3,947,799.84
5. Step 5: Solve for x
   x = 3,947,799.84/2,512.27
6. Step 6: Final answer
   x = 1,571.41