Finding the Fourth Proportional to 2,104.42, 2,904.12 and 1,160.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.42 : 2,904.12 = 1,160.23 : x
2. Step 2: Convert to fraction form
   2,104.42/2,904.12 = 1,160.23/x
3. Step 3: Cross multiply
   2,104.42x = 2,904.12 × 1,160.23
4. Step 4: Simplify right side
   2,104.42x = 3,369,447.15
5. Step 5: Solve for x
   x = 3,369,447.15/2,104.42
6. Step 6: Final answer
   x = 1,601.13