Finding the Fourth Proportional to 10,568.28, 15,857.82 and 5,374.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,568.28 : 15,857.82 = 5,374.14 : x
2. Step 2: Convert to fraction form
   10,568.28/15,857.82 = 5,374.14/x
3. Step 3: Cross multiply
   10,568.28x = 15,857.82 × 5,374.14
4. Step 4: Simplify right side
   10,568.28x = 85,222,144.77
5. Step 5: Solve for x
   x = 85,222,144.77/10,568.28
6. Step 6: Final answer
   x = 8,063.96