Finding the Fourth Proportional to 40,436.69, 55,801.88 and 22,531.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,436.69 : 55,801.88 = 22,531.31 : x
2. Step 2: Convert to fraction form
   40,436.69/55,801.88 = 22,531.31/x
3. Step 3: Cross multiply
   40,436.69x = 55,801.88 × 22,531.31
4. Step 4: Simplify right side
   40,436.69x = 1,257,289,456.86
5. Step 5: Solve for x
   x = 1,257,289,456.86/40,436.69
6. Step 6: Final answer
   x = 31,092.79