Finding the Fourth Proportional to 8,019.72, 11,066.60 and 4,661.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.72 : 11,066.60 = 4,661.96 : x
2. Step 2: Convert to fraction form
   8,019.72/11,066.60 = 4,661.96/x
3. Step 3: Cross multiply
   8,019.72x = 11,066.60 × 4,661.96
4. Step 4: Simplify right side
   8,019.72x = 51,592,002.86
5. Step 5: Solve for x
   x = 51,592,002.86/8,019.72
6. Step 6: Final answer
   x = 6,433.14