Finding the Fourth Proportional to 80,732.22, 111,389.76 and 48,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,732.22 : 111,389.76 = 48,889.50 : x
2. Step 2: Convert to fraction form
   80,732.22/111,389.76 = 48,889.50/x
3. Step 3: Cross multiply
   80,732.22x = 111,389.76 × 48,889.50
4. Step 4: Simplify right side
   80,732.22x = 5,445,789,671.52
5. Step 5: Solve for x
   x = 5,445,789,671.52/80,732.22
6. Step 6: Final answer
   x = 67,454.97