Finding the Fourth Proportional to 16,018.49, 22,103.96 and 10,987.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.49 : 22,103.96 = 10,987.02 : x
2. Step 2: Convert to fraction form
   16,018.49/22,103.96 = 10,987.02/x
3. Step 3: Cross multiply
   16,018.49x = 22,103.96 × 10,987.02
4. Step 4: Simplify right side
   16,018.49x = 242,856,595.66
5. Step 5: Solve for x
   x = 242,856,595.66/16,018.49
6. Step 6: Final answer
   x = 15,161.02