Finding the Fourth Proportional to 2,293.38, 3,438.34 and 1,123.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.38 : 3,438.34 = 1,123.02 : x
2. Step 2: Convert to fraction form
   2,293.38/3,438.34 = 1,123.02/x
3. Step 3: Cross multiply
   2,293.38x = 3,438.34 × 1,123.02
4. Step 4: Simplify right side
   2,293.38x = 3,861,324.59
5. Step 5: Solve for x
   x = 3,861,324.59/2,293.38
6. Step 6: Final answer
   x = 1,683.68