Finding the Fourth Proportional to 12,126.07, 18,150.22 and 10,367.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,126.07 : 18,150.22 = 10,367.83 : x
2. Step 2: Convert to fraction form
   12,126.07/18,150.22 = 10,367.83/x
3. Step 3: Cross multiply
   12,126.07x = 18,150.22 × 10,367.83
4. Step 4: Simplify right side
   12,126.07x = 188,178,395.42
5. Step 5: Solve for x
   x = 188,178,395.42/12,126.07
6. Step 6: Final answer
   x = 15,518.50