Finding the Fourth Proportional to 16,112.22, 22,233.40 and 9,398.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,112.22 : 22,233.40 = 9,398.43 : x
2. Step 2: Convert to fraction form
   16,112.22/22,233.40 = 9,398.43/x
3. Step 3: Cross multiply
   16,112.22x = 22,233.40 × 9,398.43
4. Step 4: Simplify right side
   16,112.22x = 208,959,082.93
5. Step 5: Solve for x
   x = 208,959,082.93/16,112.22
6. Step 6: Final answer
   x = 12,968.98