Finding the Fourth Proportional to 22,036.36, 30,404.34 and 12,603.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,036.36 : 30,404.34 = 12,603.08 : x
2. Step 2: Convert to fraction form
   22,036.36/30,404.34 = 12,603.08/x
3. Step 3: Cross multiply
   22,036.36x = 30,404.34 × 12,603.08
4. Step 4: Simplify right side
   22,036.36x = 383,188,329.37
5. Step 5: Solve for x
   x = 383,188,329.37/22,036.36
6. Step 6: Final answer
   x = 17,388.91