Finding the Fourth Proportional to 16,722.82, 25,088.01 and 8,406.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,722.82 : 25,088.01 = 8,406.82 : x
2. Step 2: Convert to fraction form
   16,722.82/25,088.01 = 8,406.82/x
3. Step 3: Cross multiply
   16,722.82x = 25,088.01 × 8,406.82
4. Step 4: Simplify right side
   16,722.82x = 210,910,384.23
5. Step 5: Solve for x
   x = 210,910,384.23/16,722.82
6. Step 6: Final answer
   x = 12,612.13