Finding the Fourth Proportional to 1,391.29, 2,089.56 and 1,194.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391.29 : 2,089.56 = 1,194.04 : x
2. Step 2: Convert to fraction form
   1,391.29/2,089.56 = 1,194.04/x
3. Step 3: Cross multiply
   1,391.29x = 2,089.56 × 1,194.04
4. Step 4: Simplify right side
   1,391.29x = 2,495,018.22
5. Step 5: Solve for x
   x = 2,495,018.22/1,391.29
6. Step 6: Final answer
   x = 1,793.31