Finding the Fourth Proportional to 16,080.78, 22,190.82 and 9,006.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,080.78 : 22,190.82 = 9,006.84 : x
2. Step 2: Convert to fraction form
   16,080.78/22,190.82 = 9,006.84/x
3. Step 3: Cross multiply
   16,080.78x = 22,190.82 × 9,006.84
4. Step 4: Simplify right side
   16,080.78x = 199,869,165.21
5. Step 5: Solve for x
   x = 199,869,165.21/16,080.78
6. Step 6: Final answer
   x = 12,429.07