Finding the Fourth Proportional to 3,981.46, 5,494.01 and 2,212.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.46 : 5,494.01 = 2,212.94 : x
2. Step 2: Convert to fraction form
   3,981.46/5,494.01 = 2,212.94/x
3. Step 3: Cross multiply
   3,981.46x = 5,494.01 × 2,212.94
4. Step 4: Simplify right side
   3,981.46x = 12,157,914.49
5. Step 5: Solve for x
   x = 12,157,914.49/3,981.46
6. Step 6: Final answer
   x = 3,053.63