Finding the Fourth Proportional to 78,760.50, 118,175.55 and 41,311.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,760.50 : 118,175.55 = 41,311.62 : x
2. Step 2: Convert to fraction form
   78,760.50/118,175.55 = 41,311.62/x
3. Step 3: Cross multiply
   78,760.50x = 118,175.55 × 41,311.62
4. Step 4: Simplify right side
   78,760.50x = 4,882,023,414.89
5. Step 5: Solve for x
   x = 4,882,023,414.89/78,760.50
6. Step 6: Final answer
   x = 61,985.68