Finding the Fourth Proportional to 2,224.24, 3,069.84 and 1,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.24 : 3,069.84 = 1,292.72 : x
2. Step 2: Convert to fraction form
   2,224.24/3,069.84 = 1,292.72/x
3. Step 3: Cross multiply
   2,224.24x = 3,069.84 × 1,292.72
4. Step 4: Simplify right side
   2,224.24x = 3,968,443.56
5. Step 5: Solve for x
   x = 3,968,443.56/2,224.24
6. Step 6: Final answer
   x = 1,784.18