Finding the Fourth Proportional to 2,227.88, 3,344.18 and 1,643.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.88 : 3,344.18 = 1,643.56 : x
2. Step 2: Convert to fraction form
   2,227.88/3,344.18 = 1,643.56/x
3. Step 3: Cross multiply
   2,227.88x = 3,344.18 × 1,643.56
4. Step 4: Simplify right side
   2,227.88x = 5,496,343.90
5. Step 5: Solve for x
   x = 5,496,343.90/2,227.88
6. Step 6: Final answer
   x = 2,467.07