Finding the Fourth Proportional to 8,100.86, 12,150.27 and 3,173.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.86 : 12,150.27 = 3,173.96 : x
2. Step 2: Convert to fraction form
   8,100.86/12,150.27 = 3,173.96/x
3. Step 3: Cross multiply
   8,100.86x = 12,150.27 × 3,173.96
4. Step 4: Simplify right side
   8,100.86x = 38,564,453.78
5. Step 5: Solve for x
   x = 38,564,453.78/8,100.86
6. Step 6: Final answer
   x = 4,760.54