Finding the Fourth Proportional to 1,920.04, 2,650.10 and 1,123.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.04 : 2,650.10 = 1,123.74 : x
2. Step 2: Convert to fraction form
   1,920.04/2,650.10 = 1,123.74/x
3. Step 3: Cross multiply
   1,920.04x = 2,650.10 × 1,123.74
4. Step 4: Simplify right side
   1,920.04x = 2,978,023.37
5. Step 5: Solve for x
   x = 2,978,023.37/1,920.04
6. Step 6: Final answer
   x = 1,551.02