Finding the Fourth Proportional to 3,643.88, 5,028.50 and 2,071.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.88 : 5,028.50 = 2,071.94 : x
2. Step 2: Convert to fraction form
   3,643.88/5,028.50 = 2,071.94/x
3. Step 3: Cross multiply
   3,643.88x = 5,028.50 × 2,071.94
4. Step 4: Simplify right side
   3,643.88x = 10,418,739.93
5. Step 5: Solve for x
   x = 10,418,739.93/3,643.88
6. Step 6: Final answer
   x = 2,859.24