Finding the Fourth Proportional to 73,839.20, 101,896.79 and 42,007.41

Step by Step Solution

1. Step 1: Write the proportion equation
   73,839.20 : 101,896.79 = 42,007.41 : x
2. Step 2: Convert to fraction form
   73,839.20/101,896.79 = 42,007.41/x
3. Step 3: Cross multiply
   73,839.20x = 101,896.79 × 42,007.41
4. Step 4: Simplify right side
   73,839.20x = 4,280,420,025.18
5. Step 5: Solve for x
   x = 4,280,420,025.18/73,839.20
6. Step 6: Final answer
   x = 57,969.48