Finding the Fourth Proportional to 23,355.35, 32,231.35 and 13,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,355.35 : 32,231.35 = 13,285.56 : x
2. Step 2: Convert to fraction form
   23,355.35/32,231.35 = 13,285.56/x
3. Step 3: Cross multiply
   23,355.35x = 32,231.35 × 13,285.56
4. Step 4: Simplify right side
   23,355.35x = 428,211,581.67
5. Step 5: Solve for x
   x = 428,211,581.67/23,355.35
6. Step 6: Final answer
   x = 18,334.63