Finding the Fourth Proportional to 10,288.87, 14,198.62 and 5,573.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.87 : 14,198.62 = 5,573.15 : x
2. Step 2: Convert to fraction form
   10,288.87/14,198.62 = 5,573.15/x
3. Step 3: Cross multiply
   10,288.87x = 14,198.62 × 5,573.15
4. Step 4: Simplify right side
   10,288.87x = 79,131,039.05
5. Step 5: Solve for x
   x = 79,131,039.05/10,288.87
6. Step 6: Final answer
   x = 7,690.94