Finding the Fourth Proportional to 67,589.97, 93,259.72 and 39,280.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67,589.97 : 93,259.72 = 39,280.47 : x
2. Step 2: Convert to fraction form
   67,589.97/93,259.72 = 39,280.47/x
3. Step 3: Cross multiply
   67,589.97x = 93,259.72 × 39,280.47
4. Step 4: Simplify right side
   67,589.97x = 3,663,285,633.67
5. Step 5: Solve for x
   x = 3,663,285,633.67/67,589.97
6. Step 6: Final answer
   x = 54,198.66