Finding the Fourth Proportional to 2,097.38, 3,143.91 and 1,123.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.38 : 3,143.91 = 1,123.22 : x
2. Step 2: Convert to fraction form
   2,097.38/3,143.91 = 1,123.22/x
3. Step 3: Cross multiply
   2,097.38x = 3,143.91 × 1,123.22
4. Step 4: Simplify right side
   2,097.38x = 3,531,302.59
5. Step 5: Solve for x
   x = 3,531,302.59/2,097.38
6. Step 6: Final answer
   x = 1,683.67