Finding the Fourth Proportional to 10,527.45, 14,527.86 and 5,811.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,527.45 : 14,527.86 = 5,811.72 : x
2. Step 2: Convert to fraction form
   10,527.45/14,527.86 = 5,811.72/x
3. Step 3: Cross multiply
   10,527.45x = 14,527.86 × 5,811.72
4. Step 4: Simplify right side
   10,527.45x = 84,431,854.52
5. Step 5: Solve for x
   x = 84,431,854.52/10,527.45
6. Step 6: Final answer
   x = 8,020.16