Finding the Fourth Proportional to 10,161.83, 15,243.77 and 2,766.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,161.83 : 15,243.77 = 2,766.86 : x
2. Step 2: Convert to fraction form
   10,161.83/15,243.77 = 2,766.86/x
3. Step 3: Cross multiply
   10,161.83x = 15,243.77 × 2,766.86
4. Step 4: Simplify right side
   10,161.83x = 42,177,287.41
5. Step 5: Solve for x
   x = 42,177,287.41/10,161.83
6. Step 6: Final answer
   x = 4,150.56