Finding the Fourth Proportional to 1,411.55, 1,947.62 and 814.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.55 : 1,947.62 = 814.04 : x
2. Step 2: Convert to fraction form
   1,411.55/1,947.62 = 814.04/x
3. Step 3: Cross multiply
   1,411.55x = 1,947.62 × 814.04
4. Step 4: Simplify right side
   1,411.55x = 1,585,440.19
5. Step 5: Solve for x
   x = 1,585,440.19/1,411.55
6. Step 6: Final answer
   x = 1,123.19