Finding the Fourth Proportional to 23,151.67, 31,949.94 and 13,079.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,151.67 : 31,949.94 = 13,079.91 : x
2. Step 2: Convert to fraction form
   23,151.67/31,949.94 = 13,079.91/x
3. Step 3: Cross multiply
   23,151.67x = 31,949.94 × 13,079.91
4. Step 4: Simplify right side
   23,151.67x = 417,902,508.57
5. Step 5: Solve for x
   x = 417,902,508.57/23,151.67
6. Step 6: Final answer
   x = 18,050.64