Finding the Fourth Proportional to 9,398.18, 12,966.25 and 5,362.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,398.18 : 12,966.25 = 5,362.10 : x
2. Step 2: Convert to fraction form
   9,398.18/12,966.25 = 5,362.10/x
3. Step 3: Cross multiply
   9,398.18x = 12,966.25 × 5,362.10
4. Step 4: Simplify right side
   9,398.18x = 69,526,324.65
5. Step 5: Solve for x
   x = 69,526,324.65/9,398.18
6. Step 6: Final answer
   x = 7,397.85