Finding the Fourth Proportional to 2,354.34, 3,531.98 and 1,123.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.34 : 3,531.98 = 1,123.14 : x
2. Step 2: Convert to fraction form
   2,354.34/3,531.98 = 1,123.14/x
3. Step 3: Cross multiply
   2,354.34x = 3,531.98 × 1,123.14
4. Step 4: Simplify right side
   2,354.34x = 3,966,908.02
5. Step 5: Solve for x
   x = 3,966,908.02/2,354.34
6. Step 6: Final answer
   x = 1,684.93