Finding the Fourth Proportional to 12,162.69, 18,246.13 and 3,842.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.69 : 18,246.13 = 3,842.54 : x
2. Step 2: Convert to fraction form
   12,162.69/18,246.13 = 3,842.54/x
3. Step 3: Cross multiply
   12,162.69x = 18,246.13 × 3,842.54
4. Step 4: Simplify right side
   12,162.69x = 70,111,451.96
5. Step 5: Solve for x
   x = 70,111,451.96/12,162.69
6. Step 6: Final answer
   x = 5,764.47