Finding the Fourth Proportional to 2,139.10, 2,951.26 and 1,194.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.10 : 2,951.26 = 1,194.73 : x
2. Step 2: Convert to fraction form
   2,139.10/2,951.26 = 1,194.73/x
3. Step 3: Cross multiply
   2,139.10x = 2,951.26 × 1,194.73
4. Step 4: Simplify right side
   2,139.10x = 3,525,958.86
5. Step 5: Solve for x
   x = 3,525,958.86/2,139.10
6. Step 6: Final answer
   x = 1,648.34