Finding the Fourth Proportional to 23,932.68, 35,899.42 and 12,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,932.68 : 35,899.42 = 12,238.72 : x
2. Step 2: Convert to fraction form
   23,932.68/35,899.42 = 12,238.72/x
3. Step 3: Cross multiply
   23,932.68x = 35,899.42 × 12,238.72
4. Step 4: Simplify right side
   23,932.68x = 439,362,949.54
5. Step 5: Solve for x
   x = 439,362,949.54/23,932.68
6. Step 6: Final answer
   x = 18,358.28