Finding the Fourth Proportional to 16,191.74, 22,345.76 and 9,022.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191.74 : 22,345.76 = 9,022.25 : x
2. Step 2: Convert to fraction form
   16,191.74/22,345.76 = 9,022.25/x
3. Step 3: Cross multiply
   16,191.74x = 22,345.76 × 9,022.25
4. Step 4: Simplify right side
   16,191.74x = 201,609,033.16
5. Step 5: Solve for x
   x = 201,609,033.16/16,191.74
6. Step 6: Final answer
   x = 12,451.35