Finding the Fourth Proportional to 42,022.92, 57,989.34 and 23,158.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.92 : 57,989.34 = 23,158.56 : x
2. Step 2: Convert to fraction form
   42,022.92/57,989.34 = 23,158.56/x
3. Step 3: Cross multiply
   42,022.92x = 57,989.34 × 23,158.56
4. Step 4: Simplify right side
   42,022.92x = 1,342,949,609.75
5. Step 5: Solve for x
   x = 1,342,949,609.75/42,022.92
6. Step 6: Final answer
   x = 31,957.55