Finding the Fourth Proportional to 73,851.75, 101,915.42 and 42,039

Step by Step Solution

1. Step 1: Write the proportion equation
   73,851.75 : 101,915.42 = 42,039 : x
2. Step 2: Convert to fraction form
   73,851.75/101,915.42 = 42,039/x
3. Step 3: Cross multiply
   73,851.75x = 101,915.42 × 42,039
4. Step 4: Simplify right side
   73,851.75x = 4,284,422,131.19
5. Step 5: Solve for x
   x = 4,284,422,131.19/73,851.75
6. Step 6: Final answer
   x = 58,013.82