Finding the Fourth Proportional to 57,096.57, 78,868.56 and 43,831.74

Step by Step Solution

1. Step 1: Write the proportion equation
   57,096.57 : 78,868.56 = 43,831.74 : x
2. Step 2: Convert to fraction form
   57,096.57/78,868.56 = 43,831.74/x
3. Step 3: Cross multiply
   57,096.57x = 78,868.56 × 43,831.74
4. Step 4: Simplify right side
   57,096.57x = 3,456,946,216.09
5. Step 5: Solve for x
   x = 3,456,946,216.09/57,096.57
6. Step 6: Final answer
   x = 60,545.60