Finding the Fourth Proportional to 12,081.84, 16,663.32 and 9,982.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.84 : 16,663.32 = 9,982.32 : x
2. Step 2: Convert to fraction form
   12,081.84/16,663.32 = 9,982.32/x
3. Step 3: Cross multiply
   12,081.84x = 16,663.32 × 9,982.32
4. Step 4: Simplify right side
   12,081.84x = 166,338,592.50
5. Step 5: Solve for x
   x = 166,338,592.50/12,081.84
6. Step 6: Final answer
   x = 13,767.65