Finding the Fourth Proportional to 57,974.50, 80,020.56 and 34,108.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,974.50 : 80,020.56 = 34,108.86 : x
2. Step 2: Convert to fraction form
   57,974.50/80,020.56 = 34,108.86/x
3. Step 3: Cross multiply
   57,974.50x = 80,020.56 × 34,108.86
4. Step 4: Simplify right side
   57,974.50x = 2,729,410,314.28
5. Step 5: Solve for x
   x = 2,729,410,314.28/57,974.50
6. Step 6: Final answer
   x = 47,079.50