Finding the Fourth Proportional to 16,111.82, 24,139.14 and 6,731.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.82 : 24,139.14 = 6,731.21 : x
2. Step 2: Convert to fraction form
   16,111.82/24,139.14 = 6,731.21/x
3. Step 3: Cross multiply
   16,111.82x = 24,139.14 × 6,731.21
4. Step 4: Simplify right side
   16,111.82x = 162,485,499.86
5. Step 5: Solve for x
   x = 162,485,499.86/16,111.82
6. Step 6: Final answer
   x = 10,084.87