Finding the Fourth Proportional to 2,508.50, 3,763.54 and 1,123

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.50 : 3,763.54 = 1,123 : x
2. Step 2: Convert to fraction form
   2,508.50/3,763.54 = 1,123/x
3. Step 3: Cross multiply
   2,508.50x = 3,763.54 × 1,123
4. Step 4: Simplify right side
   2,508.50x = 4,226,455.42
5. Step 5: Solve for x
   x = 4,226,455.42/2,508.50
6. Step 6: Final answer
   x = 1,684.85