Finding the Fourth Proportional to 8,809.94, 12,157.72 and 4,831.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,809.94 : 12,157.72 = 4,831.22 : x
2. Step 2: Convert to fraction form
   8,809.94/12,157.72 = 4,831.22/x
3. Step 3: Cross multiply
   8,809.94x = 12,157.72 × 4,831.22
4. Step 4: Simplify right side
   8,809.94x = 58,736,620.02
5. Step 5: Solve for x
   x = 58,736,620.02/8,809.94
6. Step 6: Final answer
   x = 6,667.09