Finding the Fourth Proportional to 2,223.95, 3,069.12 and 1,229.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.95 : 3,069.12 = 1,229.29 : x
2. Step 2: Convert to fraction form
   2,223.95/3,069.12 = 1,229.29/x
3. Step 3: Cross multiply
   2,223.95x = 3,069.12 × 1,229.29
4. Step 4: Simplify right side
   2,223.95x = 3,772,838.52
5. Step 5: Solve for x
   x = 3,772,838.52/2,223.95
6. Step 6: Final answer
   x = 1,696.46