Finding the Fourth Proportional to 10,288.76, 14,198.56 and 5,573.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.76 : 14,198.56 = 5,573.07 : x
2. Step 2: Convert to fraction form
   10,288.76/14,198.56 = 5,573.07/x
3. Step 3: Cross multiply
   10,288.76x = 14,198.56 × 5,573.07
4. Step 4: Simplify right side
   10,288.76x = 79,129,554.85
5. Step 5: Solve for x
   x = 79,129,554.85/10,288.76
6. Step 6: Final answer
   x = 7,690.88