Finding the Fourth Proportional to 16,060.43, 22,164.01 and 8,986.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,060.43 : 22,164.01 = 8,986.91 : x
2. Step 2: Convert to fraction form
   16,060.43/22,164.01 = 8,986.91/x
3. Step 3: Cross multiply
   16,060.43x = 22,164.01 × 8,986.91
4. Step 4: Simplify right side
   16,060.43x = 199,185,829.82
5. Step 5: Solve for x
   x = 199,185,829.82/16,060.43
6. Step 6: Final answer
   x = 12,402.27