Finding the Fourth Proportional to 16,091.44, 22,207.29 and 9,018.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.44 : 22,207.29 = 9,018.31 : x
2. Step 2: Convert to fraction form
   16,091.44/22,207.29 = 9,018.31/x
3. Step 3: Cross multiply
   16,091.44x = 22,207.29 × 9,018.31
4. Step 4: Simplify right side
   16,091.44x = 200,272,225.48
5. Step 5: Solve for x
   x = 200,272,225.48/16,091.44
6. Step 6: Final answer
   x = 12,445.89