Finding the Fourth Proportional to 3,609.31, 5,417.30 and 2,225.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.31 : 5,417.30 = 2,225.33 : x
2. Step 2: Convert to fraction form
   3,609.31/5,417.30 = 2,225.33/x
3. Step 3: Cross multiply
   3,609.31x = 5,417.30 × 2,225.33
4. Step 4: Simplify right side
   3,609.31x = 12,055,280.21
5. Step 5: Solve for x
   x = 12,055,280.21/3,609.31
6. Step 6: Final answer
   x = 3,340.05