Finding the Fourth Proportional to 48,978.73, 67,571.21 and 31,977.53

Step by Step Solution

1. Step 1: Write the proportion equation
   48,978.73 : 67,571.21 = 31,977.53 : x
2. Step 2: Convert to fraction form
   48,978.73/67,571.21 = 31,977.53/x
3. Step 3: Cross multiply
   48,978.73x = 67,571.21 × 31,977.53
4. Step 4: Simplify right side
   48,978.73x = 2,160,760,770.48
5. Step 5: Solve for x
   x = 2,160,760,770.48/48,978.73
6. Step 6: Final answer
   x = 44,116.31