Finding the Fourth Proportional to 16,061.09, 22,164.80 and 8,987.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.09 : 22,164.80 = 8,987.49 : x
2. Step 2: Convert to fraction form
   16,061.09/22,164.80 = 8,987.49/x
3. Step 3: Cross multiply
   16,061.09x = 22,164.80 × 8,987.49
4. Step 4: Simplify right side
   16,061.09x = 199,205,873.41
5. Step 5: Solve for x
   x = 199,205,873.41/16,061.09
6. Step 6: Final answer
   x = 12,403.01