Finding the Fourth Proportional to 2,392.72, 3,302.28 and 1,448.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.72 : 3,302.28 = 1,448.55 : x
2. Step 2: Convert to fraction form
   2,392.72/3,302.28 = 1,448.55/x
3. Step 3: Cross multiply
   2,392.72x = 3,302.28 × 1,448.55
4. Step 4: Simplify right side
   2,392.72x = 4,783,517.69
5. Step 5: Solve for x
   x = 4,783,517.69/2,392.72
6. Step 6: Final answer
   x = 1,999.20