Finding the Fourth Proportional to 8,810.55, 12,158.82 and 4,831.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.55 : 12,158.82 = 4,831.94 : x
2. Step 2: Convert to fraction form
   8,810.55/12,158.82 = 4,831.94/x
3. Step 3: Cross multiply
   8,810.55x = 12,158.82 × 4,831.94
4. Step 4: Simplify right side
   8,810.55x = 58,750,627.92
5. Step 5: Solve for x
   x = 58,750,627.92/8,810.55
6. Step 6: Final answer
   x = 6,668.21