Finding the Fourth Proportional to 22,566.77, 31,142.47 and 13,001.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,566.77 : 31,142.47 = 13,001.38 : x
2. Step 2: Convert to fraction form
   22,566.77/31,142.47 = 13,001.38/x
3. Step 3: Cross multiply
   22,566.77x = 31,142.47 × 13,001.38
4. Step 4: Simplify right side
   22,566.77x = 404,894,976.25
5. Step 5: Solve for x
   x = 404,894,976.25/22,566.77
6. Step 6: Final answer
   x = 17,942.09