Finding the Fourth Proportional to 12,111.38, 18,164.96 and 3,343.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.38 : 18,164.96 = 3,343.94 : x
2. Step 2: Convert to fraction form
   12,111.38/18,164.96 = 3,343.94/x
3. Step 3: Cross multiply
   12,111.38x = 18,164.96 × 3,343.94
4. Step 4: Simplify right side
   12,111.38x = 60,742,453.88
5. Step 5: Solve for x
   x = 60,742,453.88/12,111.38
6. Step 6: Final answer
   x = 5,015.32