Finding the Fourth Proportional to 8,100.50, 11,183.56 and 5,310.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.50 : 11,183.56 = 5,310.86 : x
2. Step 2: Convert to fraction form
   8,100.50/11,183.56 = 5,310.86/x
3. Step 3: Cross multiply
   8,100.50x = 11,183.56 × 5,310.86
4. Step 4: Simplify right side
   8,100.50x = 59,394,321.46
5. Step 5: Solve for x
   x = 59,394,321.46/8,100.50
6. Step 6: Final answer
   x = 7,332.18