Finding the Fourth Proportional to 67,469.78, 93,116.52 and 39,175.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67,469.78 : 93,116.52 = 39,175.47 : x
2. Step 2: Convert to fraction form
   67,469.78/93,116.52 = 39,175.47/x
3. Step 3: Cross multiply
   67,469.78x = 93,116.52 × 39,175.47
4. Step 4: Simplify right side
   67,469.78x = 3,647,883,435.76
5. Step 5: Solve for x
   x = 3,647,883,435.76/67,469.78
6. Step 6: Final answer
   x = 54,066.92