Finding the Fourth Proportional to 89,020.68, 122,850.71 and 48,734.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,020.68 : 122,850.71 = 48,734.32 : x
2. Step 2: Convert to fraction form
   89,020.68/122,850.71 = 48,734.32/x
3. Step 3: Cross multiply
   89,020.68x = 122,850.71 × 48,734.32
4. Step 4: Simplify right side
   89,020.68x = 5,987,045,813.37
5. Step 5: Solve for x
   x = 5,987,045,813.37/89,020.68
6. Step 6: Final answer
   x = 67,254.55