Finding the Fourth Proportional to 16,105.88, 22,228.90 and 9,030.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.88 : 22,228.90 = 9,030.98 : x
2. Step 2: Convert to fraction form
   16,105.88/22,228.90 = 9,030.98/x
3. Step 3: Cross multiply
   16,105.88x = 22,228.90 × 9,030.98
4. Step 4: Simplify right side
   16,105.88x = 200,748,751.32
5. Step 5: Solve for x
   x = 200,748,751.32/16,105.88
6. Step 6: Final answer
   x = 12,464.31