Finding the Fourth Proportional to 12,150.22, 18,227.76 and 3,831.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.22 : 18,227.76 = 3,831.52 : x
2. Step 2: Convert to fraction form
   12,150.22/18,227.76 = 3,831.52/x
3. Step 3: Cross multiply
   12,150.22x = 18,227.76 × 3,831.52
4. Step 4: Simplify right side
   12,150.22x = 69,840,027.00
5. Step 5: Solve for x
   x = 69,840,027.00/12,150.22
6. Step 6: Final answer
   x = 5,748.05