Finding the Fourth Proportional to 8,810.46, 12,158.78 and 4,831.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.46 : 12,158.78 = 4,831.71 : x
2. Step 2: Convert to fraction form
   8,810.46/12,158.78 = 4,831.71/x
3. Step 3: Cross multiply
   8,810.46x = 12,158.78 × 4,831.71
4. Step 4: Simplify right side
   8,810.46x = 58,747,698.91
5. Step 5: Solve for x
   x = 58,747,698.91/8,810.46
6. Step 6: Final answer
   x = 6,667.95