Finding the Fourth Proportional to 2,223.73, 3,068.72 and 1,229.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.73 : 3,068.72 = 1,229.07 : x
2. Step 2: Convert to fraction form
   2,223.73/3,068.72 = 1,229.07/x
3. Step 3: Cross multiply
   2,223.73x = 3,068.72 × 1,229.07
4. Step 4: Simplify right side
   2,223.73x = 3,771,671.69
5. Step 5: Solve for x
   x = 3,771,671.69/2,223.73
6. Step 6: Final answer
   x = 1,696.11