Finding the Fourth Proportional to 2,223.52, 3,068.42 and 1,228.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.52 : 3,068.42 = 1,228.84 : x
2. Step 2: Convert to fraction form
   2,223.52/3,068.42 = 1,228.84/x
3. Step 3: Cross multiply
   2,223.52x = 3,068.42 × 1,228.84
4. Step 4: Simplify right side
   2,223.52x = 3,770,583.42
5. Step 5: Solve for x
   x = 3,770,583.42/2,223.52
6. Step 6: Final answer
   x = 1,695.77