Finding the Fourth Proportional to 2,447.91, 3,378.03 and 1,328.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.91 : 3,378.03 = 1,328.83 : x
2. Step 2: Convert to fraction form
   2,447.91/3,378.03 = 1,328.83/x
3. Step 3: Cross multiply
   2,447.91x = 3,378.03 × 1,328.83
4. Step 4: Simplify right side
   2,447.91x = 4,488,819.16
5. Step 5: Solve for x
   x = 4,488,819.16/2,447.91
6. Step 6: Final answer
   x = 1,833.73