Finding the Fourth Proportional to 89,335.62, 123,158.61 and 73,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,335.62 : 123,158.61 = 73,146.42 : x
2. Step 2: Convert to fraction form
   89,335.62/123,158.61 = 73,146.42/x
3. Step 3: Cross multiply
   89,335.62x = 123,158.61 × 73,146.42
4. Step 4: Simplify right side
   89,335.62x = 9,008,611,413.68
5. Step 5: Solve for x
   x = 9,008,611,413.68/89,335.62
6. Step 6: Final answer
   x = 100,840.08