Finding the Fourth Proportional to 89,146.98, 123,019.56 and 48,860.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,146.98 : 123,019.56 = 48,860.28 : x
2. Step 2: Convert to fraction form
   89,146.98/123,019.56 = 48,860.28/x
3. Step 3: Cross multiply
   89,146.98x = 123,019.56 × 48,860.28
4. Step 4: Simplify right side
   89,146.98x = 6,010,770,147.08
5. Step 5: Solve for x
   x = 6,010,770,147.08/89,146.98
6. Step 6: Final answer
   x = 67,425.39