Finding the Fourth Proportional to 16,087.88, 22,199.20 and 9,013.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087.88 : 22,199.20 = 9,013.16 : x
2. Step 2: Convert to fraction form
   16,087.88/22,199.20 = 9,013.16/x
3. Step 3: Cross multiply
   16,087.88x = 22,199.20 × 9,013.16
4. Step 4: Simplify right side
   16,087.88x = 200,084,941.47
5. Step 5: Solve for x
   x = 200,084,941.47/16,087.88
6. Step 6: Final answer
   x = 12,437.00