Finding the Fourth Proportional to 42,064.21, 57,930.50 and 41,145.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,064.21 : 57,930.50 = 41,145.67 : x
2. Step 2: Convert to fraction form
   42,064.21/57,930.50 = 41,145.67/x
3. Step 3: Cross multiply
   42,064.21x = 57,930.50 × 41,145.67
4. Step 4: Simplify right side
   42,064.21x = 2,383,589,235.94
5. Step 5: Solve for x
   x = 2,383,589,235.94/42,064.21
6. Step 6: Final answer
   x = 56,665.49