Finding the Fourth Proportional to 3,994.32, 5,512.33 and 2,225.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.32 : 5,512.33 = 2,225.92 : x
2. Step 2: Convert to fraction form
   3,994.32/5,512.33 = 2,225.92/x
3. Step 3: Cross multiply
   3,994.32x = 5,512.33 × 2,225.92
4. Step 4: Simplify right side
   3,994.32x = 12,270,005.59
5. Step 5: Solve for x
   x = 12,270,005.59/3,994.32
6. Step 6: Final answer
   x = 3,071.86