Finding the Fourth Proportional to 12,162.55, 18,243.34 and 3,843.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.55 : 18,243.34 = 3,843.04 : x
2. Step 2: Convert to fraction form
   12,162.55/18,243.34 = 3,843.04/x
3. Step 3: Cross multiply
   12,162.55x = 18,243.34 × 3,843.04
4. Step 4: Simplify right side
   12,162.55x = 70,109,866.14
5. Step 5: Solve for x
   x = 70,109,866.14/12,162.55
6. Step 6: Final answer
   x = 5,764.41