Finding the Fourth Proportional to 11,488.76, 15,854.08 and 7,019.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,488.76 : 15,854.08 = 7,019.98 : x
2. Step 2: Convert to fraction form
   11,488.76/15,854.08 = 7,019.98/x
3. Step 3: Cross multiply
   11,488.76x = 15,854.08 × 7,019.98
4. Step 4: Simplify right side
   11,488.76x = 111,295,324.52
5. Step 5: Solve for x
   x = 111,295,324.52/11,488.76
6. Step 6: Final answer
   x = 9,687.32