Finding the Fourth Proportional to 99,413.62, 149,076.69 and 52,655.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,413.62 : 149,076.69 = 52,655.56 : x
2. Step 2: Convert to fraction form
   99,413.62/149,076.69 = 52,655.56/x
3. Step 3: Cross multiply
   99,413.62x = 149,076.69 × 52,655.56
4. Step 4: Simplify right side
   99,413.62x = 7,849,716,594.90
5. Step 5: Solve for x
   x = 7,849,716,594.90/99,413.62
6. Step 6: Final answer
   x = 78,960.17