Finding the Fourth Proportional to 3,404.12, 4,698.68 and 2,225.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.12 : 4,698.68 = 2,225.39 : x
2. Step 2: Convert to fraction form
   3,404.12/4,698.68 = 2,225.39/x
3. Step 3: Cross multiply
   3,404.12x = 4,698.68 × 2,225.39
4. Step 4: Simplify right side
   3,404.12x = 10,456,360.86
5. Step 5: Solve for x
   x = 10,456,360.86/3,404.12
6. Step 6: Final answer
   x = 3,071.68