Finding the Fourth Proportional to 12,081.65, 16,665.30 and 7,993.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.65 : 16,665.30 = 7,993.44 : x
2. Step 2: Convert to fraction form
   12,081.65/16,665.30 = 7,993.44/x
3. Step 3: Cross multiply
   12,081.65x = 16,665.30 × 7,993.44
4. Step 4: Simplify right side
   12,081.65x = 133,213,168.10
5. Step 5: Solve for x
   x = 133,213,168.10/12,081.65
6. Step 6: Final answer
   x = 11,026.08