Finding the Fourth Proportional to 12,238.49, 18,357.71 and 3,473.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238.49 : 18,357.71 = 3,473.42 : x
2. Step 2: Convert to fraction form
   12,238.49/18,357.71 = 3,473.42/x
3. Step 3: Cross multiply
   12,238.49x = 18,357.71 × 3,473.42
4. Step 4: Simplify right side
   12,238.49x = 63,763,927.91
5. Step 5: Solve for x
   x = 63,763,927.91/12,238.49
6. Step 6: Final answer
   x = 5,210.11