Finding the Fourth Proportional to 42,020.10, 57,993.57 and 24,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.10 : 57,993.57 = 24,120.72 : x
2. Step 2: Convert to fraction form
   42,020.10/57,993.57 = 24,120.72/x
3. Step 3: Cross multiply
   42,020.10x = 57,993.57 × 24,120.72
4. Step 4: Simplify right side
   42,020.10x = 1,398,846,663.77
5. Step 5: Solve for x
   x = 1,398,846,663.77/42,020.10
6. Step 6: Final answer
   x = 33,289.94