Finding the Fourth Proportional to 2,493.87, 3,443.01 and 2,217.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.87 : 3,443.01 = 2,217.06 : x
2. Step 2: Convert to fraction form
   2,493.87/3,443.01 = 2,217.06/x
3. Step 3: Cross multiply
   2,493.87x = 3,443.01 × 2,217.06
4. Step 4: Simplify right side
   2,493.87x = 7,633,359.75
5. Step 5: Solve for x
   x = 7,633,359.75/2,493.87
6. Step 6: Final answer
   x = 3,060.85