Finding the Fourth Proportional to 2,104.86, 2,904.83 and 1,160.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.86 : 2,904.83 = 1,160.71 : x
2. Step 2: Convert to fraction form
   2,104.86/2,904.83 = 1,160.71/x
3. Step 3: Cross multiply
   2,104.86x = 2,904.83 × 1,160.71
4. Step 4: Simplify right side
   2,104.86x = 3,371,665.23
5. Step 5: Solve for x
   x = 3,371,665.23/2,104.86
6. Step 6: Final answer
   x = 1,601.85