Finding the Fourth Proportional to 16,100.64, 22,218.84 and 9,028.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.64 : 22,218.84 = 9,028.35 : x
2. Step 2: Convert to fraction form
   16,100.64/22,218.84 = 9,028.35/x
3. Step 3: Cross multiply
   16,100.64x = 22,218.84 × 9,028.35
4. Step 4: Simplify right side
   16,100.64x = 200,599,464.11
5. Step 5: Solve for x
   x = 200,599,464.11/16,100.64
6. Step 6: Final answer
   x = 12,459.10