Finding the Fourth Proportional to 42,020.74, 57,976.18 and 25,016.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.74 : 57,976.18 = 25,016.41 : x
2. Step 2: Convert to fraction form
   42,020.74/57,976.18 = 25,016.41/x
3. Step 3: Cross multiply
   42,020.74x = 57,976.18 × 25,016.41
4. Step 4: Simplify right side
   42,020.74x = 1,450,355,889.11
5. Step 5: Solve for x
   x = 1,450,355,889.11/42,020.74
6. Step 6: Final answer
   x = 34,515.24