Finding the Fourth Proportional to 40,991.30, 56,568.18 and 23,086.61

Step by Step Solution

1. Step 1: Write the proportion equation
   40,991.30 : 56,568.18 = 23,086.61 : x
2. Step 2: Convert to fraction form
   40,991.30/56,568.18 = 23,086.61/x
3. Step 3: Cross multiply
   40,991.30x = 56,568.18 × 23,086.61
4. Step 4: Simplify right side
   40,991.30x = 1,305,967,227.23
5. Step 5: Solve for x
   x = 1,305,967,227.23/40,991.30
6. Step 6: Final answer
   x = 31,859.62