Finding the Fourth Proportional to 22,103.13, 30,504.96 and 12,671.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.13 : 30,504.96 = 12,671.67 : x
2. Step 2: Convert to fraction form
   22,103.13/30,504.96 = 12,671.67/x
3. Step 3: Cross multiply
   22,103.13x = 30,504.96 × 12,671.67
4. Step 4: Simplify right side
   22,103.13x = 386,548,786.48
5. Step 5: Solve for x
   x = 386,548,786.48/22,103.13
6. Step 6: Final answer
   x = 17,488.42