Finding the Fourth Proportional to 3,646.22, 5,031.83 and 2,074.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646.22 : 5,031.83 = 2,074.31 : x
2. Step 2: Convert to fraction form
   3,646.22/5,031.83 = 2,074.31/x
3. Step 3: Cross multiply
   3,646.22x = 5,031.83 × 2,074.31
4. Step 4: Simplify right side
   3,646.22x = 10,437,575.29
5. Step 5: Solve for x
   x = 10,437,575.29/3,646.22
6. Step 6: Final answer
   x = 2,862.57