Finding the Fourth Proportional to 57,227.81, 78,973.98 and 31,734.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,227.81 : 78,973.98 = 31,734.15 : x
2. Step 2: Convert to fraction form
   57,227.81/78,973.98 = 31,734.15/x
3. Step 3: Cross multiply
   57,227.81x = 78,973.98 × 31,734.15
4. Step 4: Simplify right side
   57,227.81x = 2,506,172,127.42
5. Step 5: Solve for x
   x = 2,506,172,127.42/57,227.81
6. Step 6: Final answer
   x = 43,792.91