Finding the Fourth Proportional to 16,061.33, 22,164.01 and 8,987.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.33 : 22,164.01 = 8,987.76 : x
2. Step 2: Convert to fraction form
   16,061.33/22,164.01 = 8,987.76/x
3. Step 3: Cross multiply
   16,061.33x = 22,164.01 × 8,987.76
4. Step 4: Simplify right side
   16,061.33x = 199,204,802.52
5. Step 5: Solve for x
   x = 199,204,802.52/16,061.33
6. Step 6: Final answer
   x = 12,402.76