Finding the Fourth Proportional to 10,528.71, 14,529.50 and 5,812.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528.71 : 14,529.50 = 5,812.89 : x
2. Step 2: Convert to fraction form
   10,528.71/14,529.50 = 5,812.89/x
3. Step 3: Cross multiply
   10,528.71x = 14,529.50 × 5,812.89
4. Step 4: Simplify right side
   10,528.71x = 84,458,356.19
5. Step 5: Solve for x
   x = 84,458,356.19/10,528.71
6. Step 6: Final answer
   x = 8,021.72