Finding the Fourth Proportional to 5,519.34, 7,619.83 and 3,636.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,519.34 : 7,619.83 = 3,636.39 : x
2. Step 2: Convert to fraction form
   5,519.34/7,619.83 = 3,636.39/x
3. Step 3: Cross multiply
   5,519.34x = 7,619.83 × 3,636.39
4. Step 4: Simplify right side
   5,519.34x = 27,708,664.52
5. Step 5: Solve for x
   x = 27,708,664.52/5,519.34
6. Step 6: Final answer
   x = 5,020.29