Finding the Fourth Proportional to 3,646.24, 5,031.82 and 2,074.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646.24 : 5,031.82 = 2,074.28 : x
2. Step 2: Convert to fraction form
   3,646.24/5,031.82 = 2,074.28/x
3. Step 3: Cross multiply
   3,646.24x = 5,031.82 × 2,074.28
4. Step 4: Simplify right side
   3,646.24x = 10,437,403.59
5. Step 5: Solve for x
   x = 10,437,403.59/3,646.24
6. Step 6: Final answer
   x = 2,862.51