Finding the Fourth Proportional to 3,105.20, 4,659.37 and 1,934.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.20 : 4,659.37 = 1,934.91 : x
2. Step 2: Convert to fraction form
   3,105.20/4,659.37 = 1,934.91/x
3. Step 3: Cross multiply
   3,105.20x = 4,659.37 × 1,934.91
4. Step 4: Simplify right side
   3,105.20x = 9,015,456.77
5. Step 5: Solve for x
   x = 9,015,456.77/3,105.20
6. Step 6: Final answer
   x = 2,903.34