Finding the Fourth Proportional to 16,105.07, 24,158.37 and 13,288.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.07 : 24,158.37 = 13,288.68 : x
2. Step 2: Convert to fraction form
   16,105.07/24,158.37 = 13,288.68/x
3. Step 3: Cross multiply
   16,105.07x = 24,158.37 × 13,288.68
4. Step 4: Simplify right side
   16,105.07x = 321,032,781.81
5. Step 5: Solve for x
   x = 321,032,781.81/16,105.07
6. Step 6: Final answer
   x = 19,933.65