Finding the Fourth Proportional to 23,822.45, 32,877 and 13,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,822.45 : 32,877 = 13,215.50 : x
2. Step 2: Convert to fraction form
   23,822.45/32,877 = 13,215.50/x
3. Step 3: Cross multiply
   23,822.45x = 32,877 × 13,215.50
4. Step 4: Simplify right side
   23,822.45x = 434,485,993.50
5. Step 5: Solve for x
   x = 434,485,993.50/23,822.45
6. Step 6: Final answer
   x = 18,238.51