Finding the Fourth Proportional to 12,162.71, 18,246.79 and 3,843.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.71 : 18,246.79 = 3,843.22 : x
2. Step 2: Convert to fraction form
   12,162.71/18,246.79 = 3,843.22/x
3. Step 3: Cross multiply
   12,162.71x = 18,246.79 × 3,843.22
4. Step 4: Simplify right side
   12,162.71x = 70,126,428.26
5. Step 5: Solve for x
   x = 70,126,428.26/12,162.71
6. Step 6: Final answer
   x = 5,765.69