Finding the Fourth Proportional to 73,849.30, 101,915.85 and 42,022.78

Step by Step Solution

1. Step 1: Write the proportion equation
   73,849.30 : 101,915.85 = 42,022.78 : x
2. Step 2: Convert to fraction form
   73,849.30/101,915.85 = 42,022.78/x
3. Step 3: Cross multiply
   73,849.30x = 101,915.85 × 42,022.78
4. Step 4: Simplify right side
   73,849.30x = 4,282,787,245.86
5. Step 5: Solve for x
   x = 4,282,787,245.86/73,849.30
6. Step 6: Final answer
   x = 57,993.61