Finding the Fourth Proportional to 2,224.32, 3,069.52 and 1,229.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.32 : 3,069.52 = 1,229.57 : x
2. Step 2: Convert to fraction form
   2,224.32/3,069.52 = 1,229.57/x
3. Step 3: Cross multiply
   2,224.32x = 3,069.52 × 1,229.57
4. Step 4: Simplify right side
   2,224.32x = 3,774,189.71
5. Step 5: Solve for x
   x = 3,774,189.71/2,224.32
6. Step 6: Final answer
   x = 1,696.78