Finding the Fourth Proportional to 2,672.52, 4,007.34 and 823.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.52 : 4,007.34 = 823.08 : x
2. Step 2: Convert to fraction form
   2,672.52/4,007.34 = 823.08/x
3. Step 3: Cross multiply
   2,672.52x = 4,007.34 × 823.08
4. Step 4: Simplify right side
   2,672.52x = 3,298,361.41
5. Step 5: Solve for x
   x = 3,298,361.41/2,672.52
6. Step 6: Final answer
   x = 1,234.18