Finding the Fourth Proportional to 2,223.43, 3,069.80 and 1,718.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.43 : 3,069.80 = 1,718.35 : x
2. Step 2: Convert to fraction form
   2,223.43/3,069.80 = 1,718.35/x
3. Step 3: Cross multiply
   2,223.43x = 3,069.80 × 1,718.35
4. Step 4: Simplify right side
   2,223.43x = 5,274,990.83
5. Step 5: Solve for x
   x = 5,274,990.83/2,223.43
6. Step 6: Final answer
   x = 2,372.46