Finding the Fourth Proportional to 3,980.52, 5,493.46 and 2,212.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980.52 : 5,493.46 = 2,212.48 : x
2. Step 2: Convert to fraction form
   3,980.52/5,493.46 = 2,212.48/x
3. Step 3: Cross multiply
   3,980.52x = 5,493.46 × 2,212.48
4. Step 4: Simplify right side
   3,980.52x = 12,154,170.38
5. Step 5: Solve for x
   x = 12,154,170.38/3,980.52
6. Step 6: Final answer
   x = 3,053.41