Finding the Fourth Proportional to 1,049.32, 1,447.27 and 1,002.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.32 : 1,447.27 = 1,002.79 : x
2. Step 2: Convert to fraction form
   1,049.32/1,447.27 = 1,002.79/x
3. Step 3: Cross multiply
   1,049.32x = 1,447.27 × 1,002.79
4. Step 4: Simplify right side
   1,049.32x = 1,451,307.88
5. Step 5: Solve for x
   x = 1,451,307.88/1,049.32
6. Step 6: Final answer
   x = 1,383.09