Finding the Fourth Proportional to 3,849.01, 5,743.28 and 3,613.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.01 : 5,743.28 = 3,613.91 : x
2. Step 2: Convert to fraction form
   3,849.01/5,743.28 = 3,613.91/x
3. Step 3: Cross multiply
   3,849.01x = 5,743.28 × 3,613.91
4. Step 4: Simplify right side
   3,849.01x = 20,755,677.34
5. Step 5: Solve for x
   x = 20,755,677.34/3,849.01
6. Step 6: Final answer
   x = 5,392.48