Finding the Fourth Proportional to 22,070, 30,456.60 and 12,134

Step by Step Solution

1. Step 1: Write the proportion equation
   22,070 : 30,456.60 = 12,134 : x
2. Step 2: Convert to fraction form
   22,070/30,456.60 = 12,134/x
3. Step 3: Cross multiply
   22,070x = 30,456.60 × 12,134
4. Step 4: Simplify right side
   22,070x = 369,560,384.40
5. Step 5: Solve for x
   x = 369,560,384.40/22,070
6. Step 6: Final answer
   x = 16,744.92