Finding the Fourth Proportional to 10,288.52, 14,198.23 and 5,572.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.52 : 14,198.23 = 5,572.80 : x
2. Step 2: Convert to fraction form
   10,288.52/14,198.23 = 5,572.80/x
3. Step 3: Cross multiply
   10,288.52x = 14,198.23 × 5,572.80
4. Step 4: Simplify right side
   10,288.52x = 79,123,917.71
5. Step 5: Solve for x
   x = 79,123,917.71/10,288.52
6. Step 6: Final answer
   x = 7,690.50