Finding the Fourth Proportional to 42,016.10, 57,902.40 and 30,058.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.10 : 57,902.40 = 30,058.67 : x
2. Step 2: Convert to fraction form
   42,016.10/57,902.40 = 30,058.67/x
3. Step 3: Cross multiply
   42,016.10x = 57,902.40 × 30,058.67
4. Step 4: Simplify right side
   42,016.10x = 1,740,469,278.56
5. Step 5: Solve for x
   x = 1,740,469,278.56/42,016.10
6. Step 6: Final answer
   x = 41,423.87