Finding the Fourth Proportional to 23,323.72, 32,187.36 and 13,115.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,323.72 : 32,187.36 = 13,115.56 : x
2. Step 2: Convert to fraction form
   23,323.72/32,187.36 = 13,115.56/x
3. Step 3: Cross multiply
   23,323.72x = 32,187.36 × 13,115.56
4. Step 4: Simplify right side
   23,323.72x = 422,155,251.32
5. Step 5: Solve for x
   x = 422,155,251.32/23,323.72
6. Step 6: Final answer
   x = 18,099.83