Finding the Fourth Proportional to 3,337.43, 5,005.71 and 872.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,337.43 : 5,005.71 = 872.24 : x
2. Step 2: Convert to fraction form
   3,337.43/5,005.71 = 872.24/x
3. Step 3: Cross multiply
   3,337.43x = 5,005.71 × 872.24
4. Step 4: Simplify right side
   3,337.43x = 4,366,155.46
5. Step 5: Solve for x
   x = 4,366,155.46/3,337.43
6. Step 6: Final answer
   x = 1,308.24