Finding the Fourth Proportional to 10,528.59, 15,796.49 and 4,689.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528.59 : 15,796.49 = 4,689.27 : x
2. Step 2: Convert to fraction form
   10,528.59/15,796.49 = 4,689.27/x
3. Step 3: Cross multiply
   10,528.59x = 15,796.49 × 4,689.27
4. Step 4: Simplify right side
   10,528.59x = 74,073,983.22
5. Step 5: Solve for x
   x = 74,073,983.22/10,528.59
6. Step 6: Final answer
   x = 7,035.51