Finding the Fourth Proportional to 3,981.83, 5,494.51 and 2,213.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.83 : 5,494.51 = 2,213.24 : x
2. Step 2: Convert to fraction form
   3,981.83/5,494.51 = 2,213.24/x
3. Step 3: Cross multiply
   3,981.83x = 5,494.51 × 2,213.24
4. Step 4: Simplify right side
   3,981.83x = 12,160,669.31
5. Step 5: Solve for x
   x = 12,160,669.31/3,981.83
6. Step 6: Final answer
   x = 3,054.04