Finding the Fourth Proportional to 22,134, 30,545.23 and 12,702.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,134 : 30,545.23 = 12,702.56 : x
2. Step 2: Convert to fraction form
   22,134/30,545.23 = 12,702.56/x
3. Step 3: Cross multiply
   22,134x = 30,545.23 × 12,702.56
4. Step 4: Simplify right side
   22,134x = 388,002,661.40
5. Step 5: Solve for x
   x = 388,002,661.40/22,134
6. Step 6: Final answer
   x = 17,529.71