Finding the Fourth Proportional to 2,224.52, 3,069.86 and 1,229.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.52 : 3,069.86 = 1,229.79 : x
2. Step 2: Convert to fraction form
   2,224.52/3,069.86 = 1,229.79/x
3. Step 3: Cross multiply
   2,224.52x = 3,069.86 × 1,229.79
4. Step 4: Simplify right side
   2,224.52x = 3,775,276.98
5. Step 5: Solve for x
   x = 3,775,276.98/2,224.52
6. Step 6: Final answer
   x = 1,697.12