Finding the Fourth Proportional to 16,018.62, 22,113.80 and 10,984.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.62 : 22,113.80 = 10,984.88 : x
2. Step 2: Convert to fraction form
   16,018.62/22,113.80 = 10,984.88/x
3. Step 3: Cross multiply
   16,018.62x = 22,113.80 × 10,984.88
4. Step 4: Simplify right side
   16,018.62x = 242,917,439.34
5. Step 5: Solve for x
   x = 242,917,439.34/16,018.62
6. Step 6: Final answer
   x = 15,164.69