Finding the Fourth Proportional to 3,994.18, 5,511.77 and 2,225.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.18 : 5,511.77 = 2,225.94 : x
2. Step 2: Convert to fraction form
   3,994.18/5,511.77 = 2,225.94/x
3. Step 3: Cross multiply
   3,994.18x = 5,511.77 × 2,225.94
4. Step 4: Simplify right side
   3,994.18x = 12,268,869.31
5. Step 5: Solve for x
   x = 12,268,869.31/3,994.18
6. Step 6: Final answer
   x = 3,071.69