Finding the Fourth Proportional to 3,643.22, 5,027.69 and 2,071.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.22 : 5,027.69 = 2,071.31 : x
2. Step 2: Convert to fraction form
   3,643.22/5,027.69 = 2,071.31/x
3. Step 3: Cross multiply
   3,643.22x = 5,027.69 × 2,071.31
4. Step 4: Simplify right side
   3,643.22x = 10,413,922.32
5. Step 5: Solve for x
   x = 10,413,922.32/3,643.22
6. Step 6: Final answer
   x = 2,858.44