Finding the Fourth Proportional to 10,619.59, 15,920.16 and 6,227.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,619.59 : 15,920.16 = 6,227.82 : x
2. Step 2: Convert to fraction form
   10,619.59/15,920.16 = 6,227.82/x
3. Step 3: Cross multiply
   10,619.59x = 15,920.16 × 6,227.82
4. Step 4: Simplify right side
   10,619.59x = 99,147,982.83
5. Step 5: Solve for x
   x = 99,147,982.83/10,619.59
6. Step 6: Final answer
   x = 9,336.33