Finding the Fourth Proportional to 23,822.78, 32,874.98 and 13,212.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,822.78 : 32,874.98 = 13,212.18 : x
2. Step 2: Convert to fraction form
   23,822.78/32,874.98 = 13,212.18/x
3. Step 3: Cross multiply
   23,822.78x = 32,874.98 × 13,212.18
4. Step 4: Simplify right side
   23,822.78x = 434,350,087.20
5. Step 5: Solve for x
   x = 434,350,087.20/23,822.78
6. Step 6: Final answer
   x = 18,232.56