Finding the Fourth Proportional to 3,981.32, 5,493.83 and 2,212.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.32 : 5,493.83 = 2,212.82 : x
2. Step 2: Convert to fraction form
   3,981.32/5,493.83 = 2,212.82/x
3. Step 3: Cross multiply
   3,981.32x = 5,493.83 × 2,212.82
4. Step 4: Simplify right side
   3,981.32x = 12,156,834.96
5. Step 5: Solve for x
   x = 12,156,834.96/3,981.32
6. Step 6: Final answer
   x = 3,053.47