Finding the Fourth Proportional to 42,022.30, 57,990.27 and 23,159.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.30 : 57,990.27 = 23,159.02 : x
2. Step 2: Convert to fraction form
   42,022.30/57,990.27 = 23,159.02/x
3. Step 3: Cross multiply
   42,022.30x = 57,990.27 × 23,159.02
4. Step 4: Simplify right side
   42,022.30x = 1,342,997,822.74
5. Step 5: Solve for x
   x = 1,342,997,822.74/42,022.30
6. Step 6: Final answer
   x = 31,959.17