Finding the Fourth Proportional to 42,022.97, 57,991.71 and 23,160.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.97 : 57,991.71 = 23,160.09 : x
2. Step 2: Convert to fraction form
   42,022.97/57,991.71 = 23,160.09/x
3. Step 3: Cross multiply
   42,022.97x = 57,991.71 × 23,160.09
4. Step 4: Simplify right side
   42,022.97x = 1,343,093,527.17
5. Step 5: Solve for x
   x = 1,343,093,527.17/42,022.97
6. Step 6: Final answer
   x = 31,960.94