Finding the Fourth Proportional to 10,923.76, 15,074.78 and 5,955.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.76 : 15,074.78 = 5,955.76 : x
2. Step 2: Convert to fraction form
   10,923.76/15,074.78 = 5,955.76/x
3. Step 3: Cross multiply
   10,923.76x = 15,074.78 × 5,955.76
4. Step 4: Simplify right side
   10,923.76x = 89,781,771.73
5. Step 5: Solve for x
   x = 89,781,771.73/10,923.76
6. Step 6: Final answer
   x = 8,218.94