Finding the Fourth Proportional to 8,809.88, 12,158.00 and 4,831.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,809.88 : 12,158.00 = 4,831.14 : x
2. Step 2: Convert to fraction form
   8,809.88/12,158.00 = 4,831.14/x
3. Step 3: Cross multiply
   8,809.88x = 12,158.00 × 4,831.14
4. Step 4: Simplify right side
   8,809.88x = 58,736,975.96
5. Step 5: Solve for x
   x = 58,736,975.96/8,809.88
6. Step 6: Final answer
   x = 6,667.17