Finding the Fourth Proportional to 22,162.89, 30,583.97 and 12,603.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162.89 : 30,583.97 = 12,603.16 : x
2. Step 2: Convert to fraction form
   22,162.89/30,583.97 = 12,603.16/x
3. Step 3: Cross multiply
   22,162.89x = 30,583.97 × 12,603.16
4. Step 4: Simplify right side
   22,162.89x = 385,454,514.43
5. Step 5: Solve for x
   x = 385,454,514.43/22,162.89
6. Step 6: Final answer
   x = 17,391.89