Finding the Fourth Proportional to 89,086.20, 122,938.92 and 48,801.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,086.20 : 122,938.92 = 48,801.39 : x
2. Step 2: Convert to fraction form
   89,086.20/122,938.92 = 48,801.39/x
3. Step 3: Cross multiply
   89,086.20x = 122,938.92 × 48,801.39
4. Step 4: Simplify right side
   89,086.20x = 5,999,590,181.10
5. Step 5: Solve for x
   x = 5,999,590,181.10/89,086.20
6. Step 6: Final answer
   x = 67,345.90