Finding the Fourth Proportional to 12,164.10, 18,243.72 and 3,396.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.10 : 18,243.72 = 3,396.66 : x
2. Step 2: Convert to fraction form
   12,164.10/18,243.72 = 3,396.66/x
3. Step 3: Cross multiply
   12,164.10x = 18,243.72 × 3,396.66
4. Step 4: Simplify right side
   12,164.10x = 61,967,713.98
5. Step 5: Solve for x
   x = 61,967,713.98/12,164.10
6. Step 6: Final answer
   x = 5,094.31