Finding the Fourth Proportional to 8,323.44, 12,414.72 and 7,219.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.44 : 12,414.72 = 7,219.02 : x
2. Step 2: Convert to fraction form
   8,323.44/12,414.72 = 7,219.02/x
3. Step 3: Cross multiply
   8,323.44x = 12,414.72 × 7,219.02
4. Step 4: Simplify right side
   8,323.44x = 89,622,111.97
5. Step 5: Solve for x
   x = 89,622,111.97/8,323.44
6. Step 6: Final answer
   x = 10,767.44