Finding the Fourth Proportional to 10,288.27, 14,197.81 and 5,572.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.27 : 14,197.81 = 5,572.55 : x
2. Step 2: Convert to fraction form
   10,288.27/14,197.81 = 5,572.55/x
3. Step 3: Cross multiply
   10,288.27x = 14,197.81 × 5,572.55
4. Step 4: Simplify right side
   10,288.27x = 79,117,942.59
5. Step 5: Solve for x
   x = 79,117,942.59/10,288.27
6. Step 6: Final answer
   x = 7,690.11