Finding the Fourth Proportional to 89,080.54, 122,931 and 48,796

Step by Step Solution

1. Step 1: Write the proportion equation
   89,080.54 : 122,931 = 48,796 : x
2. Step 2: Convert to fraction form
   89,080.54/122,931 = 48,796/x
3. Step 3: Cross multiply
   89,080.54x = 122,931 × 48,796
4. Step 4: Simplify right side
   89,080.54x = 5,998,541,076
5. Step 5: Solve for x
   x = 5,998,541,076/89,080.54
6. Step 6: Final answer
   x = 67,338.40