Finding the Fourth Proportional to 41,809.05, 57,696.30 and 22,688.91

Step by Step Solution

1. Step 1: Write the proportion equation
   41,809.05 : 57,696.30 = 22,688.91 : x
2. Step 2: Convert to fraction form
   41,809.05/57,696.30 = 22,688.91/x
3. Step 3: Cross multiply
   41,809.05x = 57,696.30 × 22,688.91
4. Step 4: Simplify right side
   41,809.05x = 1,309,066,158.03
5. Step 5: Solve for x
   x = 1,309,066,158.03/41,809.05
6. Step 6: Final answer
   x = 31,310.59