Finding the Fourth Proportional to 2,223.96, 3,068.86 and 1,229.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.96 : 3,068.86 = 1,229.22 : x
2. Step 2: Convert to fraction form
   2,223.96/3,068.86 = 1,229.22/x
3. Step 3: Cross multiply
   2,223.96x = 3,068.86 × 1,229.22
4. Step 4: Simplify right side
   2,223.96x = 3,772,304.62
5. Step 5: Solve for x
   x = 3,772,304.62/2,223.96
6. Step 6: Final answer
   x = 1,696.21