Finding the Fourth Proportional to 35,968.45, 49,657.73 and 31,978.53

Step by Step Solution

1. Step 1: Write the proportion equation
   35,968.45 : 49,657.73 = 31,978.53 : x
2. Step 2: Convert to fraction form
   35,968.45/49,657.73 = 31,978.53/x
3. Step 3: Cross multiply
   35,968.45x = 49,657.73 × 31,978.53
4. Step 4: Simplify right side
   35,968.45x = 1,587,981,208.54
5. Step 5: Solve for x
   x = 1,587,981,208.54/35,968.45
6. Step 6: Final answer
   x = 44,149.28