Finding the Fourth Proportional to 57,227.78, 78,973.49 and 31,734.18

Step by Step Solution

1. Step 1: Write the proportion equation
   57,227.78 : 78,973.49 = 31,734.18 : x
2. Step 2: Convert to fraction form
   57,227.78/78,973.49 = 31,734.18/x
3. Step 3: Cross multiply
   57,227.78x = 78,973.49 × 31,734.18
4. Step 4: Simplify right side
   57,227.78x = 2,506,158,946.89
5. Step 5: Solve for x
   x = 2,506,158,946.89/57,227.78
6. Step 6: Final answer
   x = 43,792.70