Finding the Fourth Proportional to 1,791.30, 2,472.83 and 1,194.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.30 : 2,472.83 = 1,194.78 : x
2. Step 2: Convert to fraction form
   1,791.30/2,472.83 = 1,194.78/x
3. Step 3: Cross multiply
   1,791.30x = 2,472.83 × 1,194.78
4. Step 4: Simplify right side
   1,791.30x = 2,954,481.85
5. Step 5: Solve for x
   x = 2,954,481.85/1,791.30
6. Step 6: Final answer
   x = 1,649.35