Finding the Fourth Proportional to 16,711.68, 23,061.42 and 9,993.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.68 : 23,061.42 = 9,993.33 : x
2. Step 2: Convert to fraction form
   16,711.68/23,061.42 = 9,993.33/x
3. Step 3: Cross multiply
   16,711.68x = 23,061.42 × 9,993.33
4. Step 4: Simplify right side
   16,711.68x = 230,460,380.33
5. Step 5: Solve for x
   x = 230,460,380.33/16,711.68
6. Step 6: Final answer
   x = 13,790.38