Finding the Fourth Proportional to 40,638.25, 56,081.91 and 22,736.35

Step by Step Solution

1. Step 1: Write the proportion equation
   40,638.25 : 56,081.91 = 22,736.35 : x
2. Step 2: Convert to fraction form
   40,638.25/56,081.91 = 22,736.35/x
3. Step 3: Cross multiply
   40,638.25x = 56,081.91 × 22,736.35
4. Step 4: Simplify right side
   40,638.25x = 1,275,097,934.43
5. Step 5: Solve for x
   x = 1,275,097,934.43/40,638.25
6. Step 6: Final answer
   x = 31,376.79