Finding the Fourth Proportional to 23,766.20, 32,797.31 and 13,155.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,766.20 : 32,797.31 = 13,155.83 : x
2. Step 2: Convert to fraction form
   23,766.20/32,797.31 = 13,155.83/x
3. Step 3: Cross multiply
   23,766.20x = 32,797.31 × 13,155.83
4. Step 4: Simplify right side
   23,766.20x = 431,475,857.41
5. Step 5: Solve for x
   x = 431,475,857.41/23,766.20
6. Step 6: Final answer
   x = 18,155.02