Finding the Fourth Proportional to 11,493.05, 15,862.13 and 7,019.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,493.05 : 15,862.13 = 7,019.37 : x
2. Step 2: Convert to fraction form
   11,493.05/15,862.13 = 7,019.37/x
3. Step 3: Cross multiply
   11,493.05x = 15,862.13 × 7,019.37
4. Step 4: Simplify right side
   11,493.05x = 111,342,124.36
5. Step 5: Solve for x
   x = 111,342,124.36/11,493.05
6. Step 6: Final answer
   x = 9,687.78