Finding the Fourth Proportional to 99,413.29, 149,063.46 and 67,861.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,413.29 : 149,063.46 = 67,861.56 : x
2. Step 2: Convert to fraction form
   99,413.29/149,063.46 = 67,861.56/x
3. Step 3: Cross multiply
   99,413.29x = 149,063.46 × 67,861.56
4. Step 4: Simplify right side
   99,413.29x = 10,115,678,934.60
5. Step 5: Solve for x
   x = 10,115,678,934.60/99,413.29
6. Step 6: Final answer
   x = 101,753.79