Finding the Fourth Proportional to 2,224.12, 3,069.27 and 1,279.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.12 : 3,069.27 = 1,279.93 : x
2. Step 2: Convert to fraction form
   2,224.12/3,069.27 = 1,279.93/x
3. Step 3: Cross multiply
   2,224.12x = 3,069.27 × 1,279.93
4. Step 4: Simplify right side
   2,224.12x = 3,928,443.08
5. Step 5: Solve for x
   x = 3,928,443.08/2,224.12
6. Step 6: Final answer
   x = 1,766.29