Finding the Fourth Proportional to 67,078.84, 92,548.59 and 40,211.54

Step by Step Solution

1. Step 1: Write the proportion equation
   67,078.84 : 92,548.59 = 40,211.54 : x
2. Step 2: Convert to fraction form
   67,078.84/92,548.59 = 40,211.54/x
3. Step 3: Cross multiply
   67,078.84x = 92,548.59 × 40,211.54
4. Step 4: Simplify right side
   67,078.84x = 3,721,521,328.73
5. Step 5: Solve for x
   x = 3,721,521,328.73/67,078.84
6. Step 6: Final answer
   x = 55,479.81