Finding the Fourth Proportional to 67,940.47, 102,046.52 and 40,976.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,940.47 : 102,046.52 = 40,976.71 : x
2. Step 2: Convert to fraction form
   67,940.47/102,046.52 = 40,976.71/x
3. Step 3: Cross multiply
   67,940.47x = 102,046.52 × 40,976.71
4. Step 4: Simplify right side
   67,940.47x = 4,181,530,656.55
5. Step 5: Solve for x
   x = 4,181,530,656.55/67,940.47
6. Step 6: Final answer
   x = 61,546.98