Finding the Fourth Proportional to 5,743.98, 7,928.69 and 3,385.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,743.98 : 7,928.69 = 3,385.98 : x
2. Step 2: Convert to fraction form
   5,743.98/7,928.69 = 3,385.98/x
3. Step 3: Cross multiply
   5,743.98x = 7,928.69 × 3,385.98
4. Step 4: Simplify right side
   5,743.98x = 26,846,385.77
5. Step 5: Solve for x
   x = 26,846,385.77/5,743.98
6. Step 6: Final answer
   x = 4,673.83