Finding the Fourth Proportional to 12,169.39, 18,253.89 and 3,404.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,169.39 : 18,253.89 = 3,404.17 : x
2. Step 2: Convert to fraction form
   12,169.39/18,253.89 = 3,404.17/x
3. Step 3: Cross multiply
   12,169.39x = 18,253.89 × 3,404.17
4. Step 4: Simplify right side
   12,169.39x = 62,139,344.72
5. Step 5: Solve for x
   x = 62,139,344.72/12,169.39
6. Step 6: Final answer
   x = 5,106.20