Finding the Fourth Proportional to 16,061.16, 22,164.84 and 8,987.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.16 : 22,164.84 = 8,987.16 : x
2. Step 2: Convert to fraction form
   16,061.16/22,164.84 = 8,987.16/x
3. Step 3: Cross multiply
   16,061.16x = 22,164.84 × 8,987.16
4. Step 4: Simplify right side
   16,061.16x = 199,198,963.45
5. Step 5: Solve for x
   x = 199,198,963.45/16,061.16
6. Step 6: Final answer
   x = 12,402.53