Finding the Fourth Proportional to 2,928.57, 4,392.83 and 1,195.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.57 : 4,392.83 = 1,195.98 : x
2. Step 2: Convert to fraction form
   2,928.57/4,392.83 = 1,195.98/x
3. Step 3: Cross multiply
   2,928.57x = 4,392.83 × 1,195.98
4. Step 4: Simplify right side
   2,928.57x = 5,253,736.82
5. Step 5: Solve for x
   x = 5,253,736.82/2,928.57
6. Step 6: Final answer
   x = 1,793.96