Finding the Fourth Proportional to 10,756.28, 16,134.69 and 5,208.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,756.28 : 16,134.69 = 5,208.59 : x
2. Step 2: Convert to fraction form
   10,756.28/16,134.69 = 5,208.59/x
3. Step 3: Cross multiply
   10,756.28x = 16,134.69 × 5,208.59
4. Step 4: Simplify right side
   10,756.28x = 84,038,904.31
5. Step 5: Solve for x
   x = 84,038,904.31/10,756.28
6. Step 6: Final answer
   x = 7,813.01