Finding the Fourth Proportional to 3,927.49, 5,419.15 and 2,225.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927.49 : 5,419.15 = 2,225.68 : x
2. Step 2: Convert to fraction form
   3,927.49/5,419.15 = 2,225.68/x
3. Step 3: Cross multiply
   3,927.49x = 5,419.15 × 2,225.68
4. Step 4: Simplify right side
   3,927.49x = 12,061,293.77
5. Step 5: Solve for x
   x = 12,061,293.77/3,927.49
6. Step 6: Final answer
   x = 3,070.99