Finding the Fourth Proportional to 67,458.66, 93,103.89 and 39,180.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,458.66 : 93,103.89 = 39,180.75 : x
2. Step 2: Convert to fraction form
   67,458.66/93,103.89 = 39,180.75/x
3. Step 3: Cross multiply
   67,458.66x = 93,103.89 × 39,180.75
4. Step 4: Simplify right side
   67,458.66x = 3,647,880,238.12
5. Step 5: Solve for x
   x = 3,647,880,238.12/67,458.66
6. Step 6: Final answer
   x = 54,075.79