Finding the Fourth Proportional to 8,647.42, 11,919.48 and 7,510.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,647.42 : 11,919.48 = 7,510.18 : x
2. Step 2: Convert to fraction form
   8,647.42/11,919.48 = 7,510.18/x
3. Step 3: Cross multiply
   8,647.42x = 11,919.48 × 7,510.18
4. Step 4: Simplify right side
   8,647.42x = 89,517,440.31
5. Step 5: Solve for x
   x = 89,517,440.31/8,647.42
6. Step 6: Final answer
   x = 10,351.92