Finding the Fourth Proportional to 2,223.60, 3,068.94 and 1,339.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.60 : 3,068.94 = 1,339.54 : x
2. Step 2: Convert to fraction form
   2,223.60/3,068.94 = 1,339.54/x
3. Step 3: Cross multiply
   2,223.60x = 3,068.94 × 1,339.54
4. Step 4: Simplify right side
   2,223.60x = 4,110,957.70
5. Step 5: Solve for x
   x = 4,110,957.70/2,223.60
6. Step 6: Final answer
   x = 1,848.78