Finding the Fourth Proportional to 2,048.52, 3,071.60 and 1,123.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.52 : 3,071.60 = 1,123.85 : x
2. Step 2: Convert to fraction form
   2,048.52/3,071.60 = 1,123.85/x
3. Step 3: Cross multiply
   2,048.52x = 3,071.60 × 1,123.85
4. Step 4: Simplify right side
   2,048.52x = 3,451,996.68
5. Step 5: Solve for x
   x = 3,451,996.68/2,048.52
6. Step 6: Final answer
   x = 1,685.12