Finding the Fourth Proportional to 3,862.94, 5,744.71 and 3,739.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,862.94 : 5,744.71 = 3,739.92 : x
2. Step 2: Convert to fraction form
   3,862.94/5,744.71 = 3,739.92/x
3. Step 3: Cross multiply
   3,862.94x = 5,744.71 × 3,739.92
4. Step 4: Simplify right side
   3,862.94x = 21,484,755.82
5. Step 5: Solve for x
   x = 21,484,755.82/3,862.94
6. Step 6: Final answer
   x = 5,561.76