Finding the Fourth Proportional to 8,809.83, 12,157.91 and 4,831.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,809.83 : 12,157.91 = 4,831.08 : x
2. Step 2: Convert to fraction form
   8,809.83/12,157.91 = 4,831.08/x
3. Step 3: Cross multiply
   8,809.83x = 12,157.91 × 4,831.08
4. Step 4: Simplify right side
   8,809.83x = 58,735,835.84
5. Step 5: Solve for x
   x = 58,735,835.84/8,809.83
6. Step 6: Final answer
   x = 6,667.08