Finding the Fourth Proportional to 10,527.56, 14,527.78 and 5,811.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,527.56 : 14,527.78 = 5,811.72 : x
2. Step 2: Convert to fraction form
   10,527.56/14,527.78 = 5,811.72/x
3. Step 3: Cross multiply
   10,527.56x = 14,527.78 × 5,811.72
4. Step 4: Simplify right side
   10,527.56x = 84,431,389.58
5. Step 5: Solve for x
   x = 84,431,389.58/10,527.56
6. Step 6: Final answer
   x = 8,020.03