Finding the Fourth Proportional to 11,557.37, 15,949.56 and 7,019.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,557.37 : 15,949.56 = 7,019.27 : x
2. Step 2: Convert to fraction form
   11,557.37/15,949.56 = 7,019.27/x
3. Step 3: Cross multiply
   11,557.37x = 15,949.56 × 7,019.27
4. Step 4: Simplify right side
   11,557.37x = 111,954,268.02
5. Step 5: Solve for x
   x = 111,954,268.02/11,557.37
6. Step 6: Final answer
   x = 9,686.83