Finding the Fourth Proportional to 23,822.73, 32,877.39 and 13,215.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,822.73 : 32,877.39 = 13,215.78 : x
2. Step 2: Convert to fraction form
   23,822.73/32,877.39 = 13,215.78/x
3. Step 3: Cross multiply
   23,822.73x = 32,877.39 × 13,215.78
4. Step 4: Simplify right side
   23,822.73x = 434,500,435.41
5. Step 5: Solve for x
   x = 434,500,435.41/23,822.73
6. Step 6: Final answer
   x = 18,238.90