Finding the Fourth Proportional to 23,766.31, 32,797.38 and 13,155.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,766.31 : 32,797.38 = 13,155.91 : x
2. Step 2: Convert to fraction form
   23,766.31/32,797.38 = 13,155.91/x
3. Step 3: Cross multiply
   23,766.31x = 32,797.38 × 13,155.91
4. Step 4: Simplify right side
   23,766.31x = 431,479,379.52
5. Step 5: Solve for x
   x = 431,479,379.52/23,766.31
6. Step 6: Final answer
   x = 18,155.09