Finding the Fourth Proportional to 59,977.98, 89,826.84 and 47,413.62

Step by Step Solution

1. Step 1: Write the proportion equation
   59,977.98 : 89,826.84 = 47,413.62 : x
2. Step 2: Convert to fraction form
   59,977.98/89,826.84 = 47,413.62/x
3. Step 3: Cross multiply
   59,977.98x = 89,826.84 × 47,413.62
4. Step 4: Simplify right side
   59,977.98x = 4,259,015,657.56
5. Step 5: Solve for x
   x = 4,259,015,657.56/59,977.98
6. Step 6: Final answer
   x = 71,009.65