Finding the Fourth Proportional to 16,016.43, 22,111.89 and 10,646.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,016.43 : 22,111.89 = 10,646.13 : x
2. Step 2: Convert to fraction form
   16,016.43/22,111.89 = 10,646.13/x
3. Step 3: Cross multiply
   16,016.43x = 22,111.89 × 10,646.13
4. Step 4: Simplify right side
   16,016.43x = 235,406,055.49
5. Step 5: Solve for x
   x = 235,406,055.49/16,016.43
6. Step 6: Final answer
   x = 14,697.79