Finding the Fourth Proportional to 23,715.85, 32,727.86 and 13,105.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,715.85 : 32,727.86 = 13,105.39 : x
2. Step 2: Convert to fraction form
   23,715.85/32,727.86 = 13,105.39/x
3. Step 3: Cross multiply
   23,715.85x = 32,727.86 × 13,105.39
4. Step 4: Simplify right side
   23,715.85x = 428,911,270.96
5. Step 5: Solve for x
   x = 428,911,270.96/23,715.85
6. Step 6: Final answer
   x = 18,085.43