Finding the Fourth Proportional to 23,449.38, 32,360.96 and 12,839.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,449.38 : 32,360.96 = 12,839.10 : x
2. Step 2: Convert to fraction form
   23,449.38/32,360.96 = 12,839.10/x
3. Step 3: Cross multiply
   23,449.38x = 32,360.96 × 12,839.10
4. Step 4: Simplify right side
   23,449.38x = 415,485,601.54
5. Step 5: Solve for x
   x = 415,485,601.54/23,449.38
6. Step 6: Final answer
   x = 17,718.40