Finding the Fourth Proportional to 12,398.22, 17,108.73 and 7,362.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,398.22 : 17,108.73 = 7,362.18 : x
2. Step 2: Convert to fraction form
   12,398.22/17,108.73 = 7,362.18/x
3. Step 3: Cross multiply
   12,398.22x = 17,108.73 × 7,362.18
4. Step 4: Simplify right side
   12,398.22x = 125,957,549.83
5. Step 5: Solve for x
   x = 125,957,549.83/12,398.22
6. Step 6: Final answer
   x = 10,159.33