Finding the Fourth Proportional to 23,778.85, 32,816.10 and 13,168.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,778.85 : 32,816.10 = 13,168.56 : x
2. Step 2: Convert to fraction form
   23,778.85/32,816.10 = 13,168.56/x
3. Step 3: Cross multiply
   23,778.85x = 32,816.10 × 13,168.56
4. Step 4: Simplify right side
   23,778.85x = 432,140,781.82
5. Step 5: Solve for x
   x = 432,140,781.82/23,778.85
6. Step 6: Final answer
   x = 18,173.33