Finding the Fourth Proportional to 16,003.17, 22,080.83 and 9,284.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.17 : 22,080.83 = 9,284.90 : x
2. Step 2: Convert to fraction form
   16,003.17/22,080.83 = 9,284.90/x
3. Step 3: Cross multiply
   16,003.17x = 22,080.83 × 9,284.90
4. Step 4: Simplify right side
   16,003.17x = 205,018,141.64
5. Step 5: Solve for x
   x = 205,018,141.64/16,003.17
6. Step 6: Final answer
   x = 12,811.10