Finding the Fourth Proportional to 11,488.50, 15,853.73 and 7,019.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,488.50 : 15,853.73 = 7,019.73 : x
2. Step 2: Convert to fraction form
   11,488.50/15,853.73 = 7,019.73/x
3. Step 3: Cross multiply
   11,488.50x = 15,853.73 × 7,019.73
4. Step 4: Simplify right side
   11,488.50x = 111,288,904.09
5. Step 5: Solve for x
   x = 111,288,904.09/11,488.50
6. Step 6: Final answer
   x = 9,686.98