Finding the Fourth Proportional to 23,146.96, 31,942.20 and 13,076.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.96 : 31,942.20 = 13,076.32 : x
2. Step 2: Convert to fraction form
   23,146.96/31,942.20 = 13,076.32/x
3. Step 3: Cross multiply
   23,146.96x = 31,942.20 × 13,076.32
4. Step 4: Simplify right side
   23,146.96x = 417,686,428.70
5. Step 5: Solve for x
   x = 417,686,428.70/23,146.96
6. Step 6: Final answer
   x = 18,044.98