Finding the Fourth Proportional to 1,411.48, 2,116.86 and 834.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.48 : 2,116.86 = 834.04 : x
2. Step 2: Convert to fraction form
   1,411.48/2,116.86 = 834.04/x
3. Step 3: Cross multiply
   1,411.48x = 2,116.86 × 834.04
4. Step 4: Simplify right side
   1,411.48x = 1,765,545.91
5. Step 5: Solve for x
   x = 1,765,545.91/1,411.48
6. Step 6: Final answer
   x = 1,250.85