Finding the Fourth Proportional to 6,413.95, 9,629.77 and 4,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413.95 : 9,629.77 = 4,434.72 : x
2. Step 2: Convert to fraction form
   6,413.95/9,629.77 = 4,434.72/x
3. Step 3: Cross multiply
   6,413.95x = 9,629.77 × 4,434.72
4. Step 4: Simplify right side
   6,413.95x = 42,705,263.29
5. Step 5: Solve for x
   x = 42,705,263.29/6,413.95
6. Step 6: Final answer
   x = 6,658.18