Finding the Fourth Proportional to 9,362.16, 12,918.33 and 5,382.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.16 : 12,918.33 = 5,382.54 : x
2. Step 2: Convert to fraction form
   9,362.16/12,918.33 = 5,382.54/x
3. Step 3: Cross multiply
   9,362.16x = 12,918.33 × 5,382.54
4. Step 4: Simplify right side
   9,362.16x = 69,533,427.96
5. Step 5: Solve for x
   x = 69,533,427.96/9,362.16
6. Step 6: Final answer
   x = 7,427.07