Finding the Fourth Proportional to 76,751.52, 105,915.49 and 42,759.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,751.52 : 105,915.49 = 42,759.96 : x
2. Step 2: Convert to fraction form
   76,751.52/105,915.49 = 42,759.96/x
3. Step 3: Cross multiply
   76,751.52x = 105,915.49 × 42,759.96
4. Step 4: Simplify right side
   76,751.52x = 4,528,942,115.78
5. Step 5: Solve for x
   x = 4,528,942,115.78/76,751.52
6. Step 6: Final answer
   x = 59,007.85