Finding the Fourth Proportional to 23,068.42, 31,834.42 and 12,458.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,068.42 : 31,834.42 = 12,458.05 : x
2. Step 2: Convert to fraction form
   23,068.42/31,834.42 = 12,458.05/x
3. Step 3: Cross multiply
   23,068.42x = 31,834.42 × 12,458.05
4. Step 4: Simplify right side
   23,068.42x = 396,594,796.08
5. Step 5: Solve for x
   x = 396,594,796.08/23,068.42
6. Step 6: Final answer
   x = 17,192.11