Finding the Fourth Proportional to 22,735.38, 31,379.18 and 12,799.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,735.38 : 31,379.18 = 12,799.38 : x
2. Step 2: Convert to fraction form
   22,735.38/31,379.18 = 12,799.38/x
3. Step 3: Cross multiply
   22,735.38x = 31,379.18 × 12,799.38
4. Step 4: Simplify right side
   22,735.38x = 401,634,048.91
5. Step 5: Solve for x
   x = 401,634,048.91/22,735.38
6. Step 6: Final answer
   x = 17,665.60