Finding the Fourth Proportional to 23,822.16, 32,871.78 and 13,209.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,822.16 : 32,871.78 = 13,209.18 : x
2. Step 2: Convert to fraction form
   23,822.16/32,871.78 = 13,209.18/x
3. Step 3: Cross multiply
   23,822.16x = 32,871.78 × 13,209.18
4. Step 4: Simplify right side
   23,822.16x = 434,209,258.94
5. Step 5: Solve for x
   x = 434,209,258.94/23,822.16
6. Step 6: Final answer
   x = 18,227.12