Finding the Fourth Proportional to 3,603.85, 5,411.95 and 2,225.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.85 : 5,411.95 = 2,225.34 : x
2. Step 2: Convert to fraction form
   3,603.85/5,411.95 = 2,225.34/x
3. Step 3: Cross multiply
   3,603.85x = 5,411.95 × 2,225.34
4. Step 4: Simplify right side
   3,603.85x = 12,043,423.25
5. Step 5: Solve for x
   x = 12,043,423.25/3,603.85
6. Step 6: Final answer
   x = 3,341.82