Finding the Fourth Proportional to 2,508.80, 3,760.59 and 1,121.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.80 : 3,760.59 = 1,121.18 : x
2. Step 2: Convert to fraction form
   2,508.80/3,760.59 = 1,121.18/x
3. Step 3: Cross multiply
   2,508.80x = 3,760.59 × 1,121.18
4. Step 4: Simplify right side
   2,508.80x = 4,216,298.30
5. Step 5: Solve for x
   x = 4,216,298.30/2,508.80
6. Step 6: Final answer
   x = 1,680.60