Finding the Fourth Proportional to 67,391.34, 92,969.98 and 39,080.62

Step by Step Solution

1. Step 1: Write the proportion equation
   67,391.34 : 92,969.98 = 39,080.62 : x
2. Step 2: Convert to fraction form
   67,391.34/92,969.98 = 39,080.62/x
3. Step 3: Cross multiply
   67,391.34x = 92,969.98 × 39,080.62
4. Step 4: Simplify right side
   67,391.34x = 3,633,324,459.79
5. Step 5: Solve for x
   x = 3,633,324,459.79/67,391.34
6. Step 6: Final answer
   x = 53,913.82