Finding the Fourth Proportional to 2,499.49, 3,447.43 and 2,216.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.49 : 3,447.43 = 2,216.24 : x
2. Step 2: Convert to fraction form
   2,499.49/3,447.43 = 2,216.24/x
3. Step 3: Cross multiply
   2,499.49x = 3,447.43 × 2,216.24
4. Step 4: Simplify right side
   2,499.49x = 7,640,303.94
5. Step 5: Solve for x
   x = 7,640,303.94/2,499.49
6. Step 6: Final answer
   x = 3,056.75