Finding the Fourth Proportional to 2,354.04, 3,531.78 and 1,123.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.04 : 3,531.78 = 1,123.02 : x
2. Step 2: Convert to fraction form
   2,354.04/3,531.78 = 1,123.02/x
3. Step 3: Cross multiply
   2,354.04x = 3,531.78 × 1,123.02
4. Step 4: Simplify right side
   2,354.04x = 3,966,259.58
5. Step 5: Solve for x
   x = 3,966,259.58/2,354.04
6. Step 6: Final answer
   x = 1,684.87