Finding the Fourth Proportional to 67,910.94, 93,728.25 and 39,616.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,910.94 : 93,728.25 = 39,616.56 : x
2. Step 2: Convert to fraction form
   67,910.94/93,728.25 = 39,616.56/x
3. Step 3: Cross multiply
   67,910.94x = 93,728.25 × 39,616.56
4. Step 4: Simplify right side
   67,910.94x = 3,713,190,839.82
5. Step 5: Solve for x
   x = 3,713,190,839.82/67,910.94
6. Step 6: Final answer
   x = 54,677.36