Finding the Fourth Proportional to 3,981.44, 5,494.38 and 2,213.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.44 : 5,494.38 = 2,213.04 : x
2. Step 2: Convert to fraction form
   3,981.44/5,494.38 = 2,213.04/x
3. Step 3: Cross multiply
   3,981.44x = 5,494.38 × 2,213.04
4. Step 4: Simplify right side
   3,981.44x = 12,159,282.72
5. Step 5: Solve for x
   x = 12,159,282.72/3,981.44
6. Step 6: Final answer
   x = 3,053.99