Finding the Fourth Proportional to 2,223.24, 3,068.54 and 1,279.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.24 : 3,068.54 = 1,279.16 : x
2. Step 2: Convert to fraction form
   2,223.24/3,068.54 = 1,279.16/x
3. Step 3: Cross multiply
   2,223.24x = 3,068.54 × 1,279.16
4. Step 4: Simplify right side
   2,223.24x = 3,925,153.63
5. Step 5: Solve for x
   x = 3,925,153.63/2,223.24
6. Step 6: Final answer
   x = 1,765.51