Finding the Fourth Proportional to 10,771.75, 14,864.74 and 5,991.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,771.75 : 14,864.74 = 5,991.72 : x
2. Step 2: Convert to fraction form
   10,771.75/14,864.74 = 5,991.72/x
3. Step 3: Cross multiply
   10,771.75x = 14,864.74 × 5,991.72
4. Step 4: Simplify right side
   10,771.75x = 89,065,359.95
5. Step 5: Solve for x
   x = 89,065,359.95/10,771.75
6. Step 6: Final answer
   x = 8,268.42