Finding the Fourth Proportional to 23,906.64, 35,822.48 and 15,123

Step by Step Solution

1. Step 1: Write the proportion equation
   23,906.64 : 35,822.48 = 15,123 : x
2. Step 2: Convert to fraction form
   23,906.64/35,822.48 = 15,123/x
3. Step 3: Cross multiply
   23,906.64x = 35,822.48 × 15,123
4. Step 4: Simplify right side
   23,906.64x = 541,743,365.04
5. Step 5: Solve for x
   x = 541,743,365.04/23,906.64
6. Step 6: Final answer
   x = 22,660.79