Finding the Fourth Proportional to 1,789.54, 2,685.12 and 694.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.54 : 2,685.12 = 694.15 : x
2. Step 2: Convert to fraction form
   1,789.54/2,685.12 = 694.15/x
3. Step 3: Cross multiply
   1,789.54x = 2,685.12 × 694.15
4. Step 4: Simplify right side
   1,789.54x = 1,863,876.05
5. Step 5: Solve for x
   x = 1,863,876.05/1,789.54
6. Step 6: Final answer
   x = 1,041.54