Finding the Fourth Proportional to 5,743.90, 7,925.98 and 3,855.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,743.90 : 7,925.98 = 3,855.10 : x
2. Step 2: Convert to fraction form
   5,743.90/7,925.98 = 3,855.10/x
3. Step 3: Cross multiply
   5,743.90x = 7,925.98 × 3,855.10
4. Step 4: Simplify right side
   5,743.90x = 30,555,445.50
5. Step 5: Solve for x
   x = 30,555,445.50/5,743.90
6. Step 6: Final answer
   x = 5,319.63