Finding the Fourth Proportional to 2,224.25, 3,069.42 and 1,229.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.25 : 3,069.42 = 1,229.51 : x
2. Step 2: Convert to fraction form
   2,224.25/3,069.42 = 1,229.51/x
3. Step 3: Cross multiply
   2,224.25x = 3,069.42 × 1,229.51
4. Step 4: Simplify right side
   2,224.25x = 3,773,882.58
5. Step 5: Solve for x
   x = 3,773,882.58/2,224.25
6. Step 6: Final answer
   x = 1,696.70