Finding the Fourth Proportional to 40,570.30, 55,986.61 and 22,665.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,570.30 : 55,986.61 = 22,665.25 : x
2. Step 2: Convert to fraction form
   40,570.30/55,986.61 = 22,665.25/x
3. Step 3: Cross multiply
   40,570.30x = 55,986.61 × 22,665.25
4. Step 4: Simplify right side
   40,570.30x = 1,268,950,119.04
5. Step 5: Solve for x
   x = 1,268,950,119.04/40,570.30
6. Step 6: Final answer
   x = 31,277.81