Finding the Fourth Proportional to 22,103.28, 30,506.52 and 12,671.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.28 : 30,506.52 = 12,671.88 : x
2. Step 2: Convert to fraction form
   22,103.28/30,506.52 = 12,671.88/x
3. Step 3: Cross multiply
   22,103.28x = 30,506.52 × 12,671.88
4. Step 4: Simplify right side
   22,103.28x = 386,574,960.66
5. Step 5: Solve for x
   x = 386,574,960.66/22,103.28
6. Step 6: Final answer
   x = 17,489.48