Finding the Fourth Proportional to 23,168.06, 31,972.42 and 13,095.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.06 : 31,972.42 = 13,095.90 : x
2. Step 2: Convert to fraction form
   23,168.06/31,972.42 = 13,095.90/x
3. Step 3: Cross multiply
   23,168.06x = 31,972.42 × 13,095.90
4. Step 4: Simplify right side
   23,168.06x = 418,707,582.34
5. Step 5: Solve for x
   x = 418,707,582.34/23,168.06
6. Step 6: Final answer
   x = 18,072.62