Finding the Fourth Proportional to 12,164.62, 18,126.00 and 10,838.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.62 : 18,126.00 = 10,838.18 : x
2. Step 2: Convert to fraction form
   12,164.62/18,126.00 = 10,838.18/x
3. Step 3: Cross multiply
   12,164.62x = 18,126.00 × 10,838.18
4. Step 4: Simplify right side
   12,164.62x = 196,452,875.50
5. Step 5: Solve for x
   x = 196,452,875.50/12,164.62
6. Step 6: Final answer
   x = 16,149.53