Finding the Fourth Proportional to 22,205.30, 30,643.56 and 12,134.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,205.30 : 30,643.56 = 12,134.04 : x
2. Step 2: Convert to fraction form
   22,205.30/30,643.56 = 12,134.04/x
3. Step 3: Cross multiply
   22,205.30x = 30,643.56 × 12,134.04
4. Step 4: Simplify right side
   22,205.30x = 371,830,182.78
5. Step 5: Solve for x
   x = 371,830,182.78/22,205.30
6. Step 6: Final answer
   x = 16,745.11