Finding the Fourth Proportional to 2,223.96, 3,069.06 and 1,229.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.96 : 3,069.06 = 1,229.41 : x
2. Step 2: Convert to fraction form
   2,223.96/3,069.06 = 1,229.41/x
3. Step 3: Cross multiply
   2,223.96x = 3,069.06 × 1,229.41
4. Step 4: Simplify right side
   2,223.96x = 3,773,132.28
5. Step 5: Solve for x
   x = 3,773,132.28/2,223.96
6. Step 6: Final answer
   x = 1,696.59