Finding the Fourth Proportional to 23,068.40, 31,834.39 and 12,458.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,068.40 : 31,834.39 = 12,458.03 : x
2. Step 2: Convert to fraction form
   23,068.40/31,834.39 = 12,458.03/x
3. Step 3: Cross multiply
   23,068.40x = 31,834.39 × 12,458.03
4. Step 4: Simplify right side
   23,068.40x = 396,593,834.09
5. Step 5: Solve for x
   x = 396,593,834.09/23,068.40
6. Step 6: Final answer
   x = 17,192.09