Finding the Fourth Proportional to 5,719.91, 8,573.71 and 3,739.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.91 : 8,573.71 = 3,739.30 : x
2. Step 2: Convert to fraction form
   5,719.91/8,573.71 = 3,739.30/x
3. Step 3: Cross multiply
   5,719.91x = 8,573.71 × 3,739.30
4. Step 4: Simplify right side
   5,719.91x = 32,059,673.80
5. Step 5: Solve for x
   x = 32,059,673.80/5,719.91
6. Step 6: Final answer
   x = 5,604.93