Finding the Fourth Proportional to 8,057.32, 12,055.72 and 4,771.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,057.32 : 12,055.72 = 4,771.96 : x
2. Step 2: Convert to fraction form
   8,057.32/12,055.72 = 4,771.96/x
3. Step 3: Cross multiply
   8,057.32x = 12,055.72 × 4,771.96
4. Step 4: Simplify right side
   8,057.32x = 57,529,413.61
5. Step 5: Solve for x
   x = 57,529,413.61/8,057.32
6. Step 6: Final answer
   x = 7,140.02