Finding the Fourth Proportional to 59,631.50, 82,308.75 and 39,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,631.50 : 82,308.75 = 39,759.50 : x
2. Step 2: Convert to fraction form
   59,631.50/82,308.75 = 39,759.50/x
3. Step 3: Cross multiply
   59,631.50x = 82,308.75 × 39,759.50
4. Step 4: Simplify right side
   59,631.50x = 3,272,554,745.63
5. Step 5: Solve for x
   x = 3,272,554,745.63/59,631.50
6. Step 6: Final answer
   x = 54,879.63