Finding the Fourth Proportional to 7,019.82, 9,687.86 and 4,036.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.82 : 9,687.86 = 4,036.59 : x
2. Step 2: Convert to fraction form
   7,019.82/9,687.86 = 4,036.59/x
3. Step 3: Cross multiply
   7,019.82x = 9,687.86 × 4,036.59
4. Step 4: Simplify right side
   7,019.82x = 39,105,850.18
5. Step 5: Solve for x
   x = 39,105,850.18/7,019.82
6. Step 6: Final answer
   x = 5,570.78