Finding the Fourth Proportional to 2,224.56, 3,069.77 and 1,229.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.56 : 3,069.77 = 1,229.78 : x
2. Step 2: Convert to fraction form
   2,224.56/3,069.77 = 1,229.78/x
3. Step 3: Cross multiply
   2,224.56x = 3,069.77 × 1,229.78
4. Step 4: Simplify right side
   2,224.56x = 3,775,142.70
5. Step 5: Solve for x
   x = 3,775,142.70/2,224.56
6. Step 6: Final answer
   x = 1,697.03