Finding the Fourth Proportional to 57,086.52, 78,781.59 and 31,936.02

Step by Step Solution

1. Step 1: Write the proportion equation
   57,086.52 : 78,781.59 = 31,936.02 : x
2. Step 2: Convert to fraction form
   57,086.52/78,781.59 = 31,936.02/x
3. Step 3: Cross multiply
   57,086.52x = 78,781.59 × 31,936.02
4. Step 4: Simplify right side
   57,086.52x = 2,515,970,433.87
5. Step 5: Solve for x
   x = 2,515,970,433.87/57,086.52
6. Step 6: Final answer
   x = 44,072.93