Finding the Fourth Proportional to 10,474.28, 14,453.86 and 5,757.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,474.28 : 14,453.86 = 5,757.80 : x
2. Step 2: Convert to fraction form
   10,474.28/14,453.86 = 5,757.80/x
3. Step 3: Cross multiply
   10,474.28x = 14,453.86 × 5,757.80
4. Step 4: Simplify right side
   10,474.28x = 83,222,435.11
5. Step 5: Solve for x
   x = 83,222,435.11/10,474.28
6. Step 6: Final answer
   x = 7,945.41