Finding the Fourth Proportional to 10,528, 14,528.41 and 5,747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528 : 14,528.41 = 5,747.78 : x
2. Step 2: Convert to fraction form
   10,528/14,528.41 = 5,747.78/x
3. Step 3: Cross multiply
   10,528x = 14,528.41 × 5,747.78
4. Step 4: Simplify right side
   10,528x = 83,506,104.43
5. Step 5: Solve for x
   x = 83,506,104.43/10,528
6. Step 6: Final answer
   x = 7,931.81