Finding the Fourth Proportional to 16,085.88, 22,199.76 and 9,012.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.88 : 22,199.76 = 9,012.96 : x
2. Step 2: Convert to fraction form
   16,085.88/22,199.76 = 9,012.96/x
3. Step 3: Cross multiply
   16,085.88x = 22,199.76 × 9,012.96
4. Step 4: Simplify right side
   16,085.88x = 200,085,548.89
5. Step 5: Solve for x
   x = 200,085,548.89/16,085.88
6. Step 6: Final answer
   x = 12,438.58