Finding the Fourth Proportional to 9,216.33, 12,718.98 and 5,184.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,216.33 : 12,718.98 = 5,184.42 : x
2. Step 2: Convert to fraction form
   9,216.33/12,718.98 = 5,184.42/x
3. Step 3: Cross multiply
   9,216.33x = 12,718.98 × 5,184.42
4. Step 4: Simplify right side
   9,216.33x = 65,940,534.29
5. Step 5: Solve for x
   x = 65,940,534.29/9,216.33
6. Step 6: Final answer
   x = 7,154.75