Finding the Fourth Proportional to 2,223.88, 3,068.68 and 1,229.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.88 : 3,068.68 = 1,229.16 : x
2. Step 2: Convert to fraction form
   2,223.88/3,068.68 = 1,229.16/x
3. Step 3: Cross multiply
   2,223.88x = 3,068.68 × 1,229.16
4. Step 4: Simplify right side
   2,223.88x = 3,771,898.71
5. Step 5: Solve for x
   x = 3,771,898.71/2,223.88
6. Step 6: Final answer
   x = 1,696.09