Finding the Fourth Proportional to 2,104.30, 2,903.80 and 1,160.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.30 : 2,903.80 = 1,160.04 : x
2. Step 2: Convert to fraction form
   2,104.30/2,903.80 = 1,160.04/x
3. Step 3: Cross multiply
   2,104.30x = 2,903.80 × 1,160.04
4. Step 4: Simplify right side
   2,104.30x = 3,368,535.76
5. Step 5: Solve for x
   x = 3,368,535.76/2,104.30
6. Step 6: Final answer
   x = 1,600.79