Finding the Fourth Proportional to 2,224.21, 3,069.48 and 1,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.21 : 3,069.48 = 1,229.52 : x
2. Step 2: Convert to fraction form
   2,224.21/3,069.48 = 1,229.52/x
3. Step 3: Cross multiply
   2,224.21x = 3,069.48 × 1,229.52
4. Step 4: Simplify right side
   2,224.21x = 3,773,987.05
5. Step 5: Solve for x
   x = 3,773,987.05/2,224.21
6. Step 6: Final answer
   x = 1,696.78