Finding the Fourth Proportional to 89,028.69, 122,859.62 and 48,745.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,028.69 : 122,859.62 = 48,745.05 : x
2. Step 2: Convert to fraction form
   89,028.69/122,859.62 = 48,745.05/x
3. Step 3: Cross multiply
   89,028.69x = 122,859.62 × 48,745.05
4. Step 4: Simplify right side
   89,028.69x = 5,988,798,076.16
5. Step 5: Solve for x
   x = 5,988,798,076.16/89,028.69
6. Step 6: Final answer
   x = 67,268.18