Finding the Fourth Proportional to 48,981.97, 67,601.37 and 28,840.72

Step by Step Solution

1. Step 1: Write the proportion equation
   48,981.97 : 67,601.37 = 28,840.72 : x
2. Step 2: Convert to fraction form
   48,981.97/67,601.37 = 28,840.72/x
3. Step 3: Cross multiply
   48,981.97x = 67,601.37 × 28,840.72
4. Step 4: Simplify right side
   48,981.97x = 1,949,672,121.69
5. Step 5: Solve for x
   x = 1,949,672,121.69/48,981.97
6. Step 6: Final answer
   x = 39,803.88