Finding the Fourth Proportional to 10,789.50, 16,185.12 and 2,998.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.50 : 16,185.12 = 2,998.31 : x
2. Step 2: Convert to fraction form
   10,789.50/16,185.12 = 2,998.31/x
3. Step 3: Cross multiply
   10,789.50x = 16,185.12 × 2,998.31
4. Step 4: Simplify right side
   10,789.50x = 48,528,007.15
5. Step 5: Solve for x
   x = 48,528,007.15/10,789.50
6. Step 6: Final answer
   x = 4,497.71