Finding the Fourth Proportional to 42,022.50, 57,991.23 and 23,159.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.50 : 57,991.23 = 23,159.22 : x
2. Step 2: Convert to fraction form
   42,022.50/57,991.23 = 23,159.22/x
3. Step 3: Cross multiply
   42,022.50x = 57,991.23 × 23,159.22
4. Step 4: Simplify right side
   42,022.50x = 1,343,031,653.64
5. Step 5: Solve for x
   x = 1,343,031,653.64/42,022.50
6. Step 6: Final answer
   x = 31,959.82