Finding the Fourth Proportional to 16,939.09, 25,417.31 and 8,064.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,939.09 : 25,417.31 = 8,064.46 : x
2. Step 2: Convert to fraction form
   16,939.09/25,417.31 = 8,064.46/x
3. Step 3: Cross multiply
   16,939.09x = 25,417.31 × 8,064.46
4. Step 4: Simplify right side
   16,939.09x = 204,976,916.61
5. Step 5: Solve for x
   x = 204,976,916.61/16,939.09
6. Step 6: Final answer
   x = 12,100.82