Finding the Fourth Proportional to 42,022.43, 57,990.17 and 22,902.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.43 : 57,990.17 = 22,902.36 : x
2. Step 2: Convert to fraction form
   42,022.43/57,990.17 = 22,902.36/x
3. Step 3: Cross multiply
   42,022.43x = 57,990.17 × 22,902.36
4. Step 4: Simplify right side
   42,022.43x = 1,328,111,749.80
5. Step 5: Solve for x
   x = 1,328,111,749.80/42,022.43
6. Step 6: Final answer
   x = 31,604.83