Finding the Fourth Proportional to 12,603.82, 18,906.76 and 3,838.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.82 : 18,906.76 = 3,838.82 : x
2. Step 2: Convert to fraction form
   12,603.82/18,906.76 = 3,838.82/x
3. Step 3: Cross multiply
   12,603.82x = 18,906.76 × 3,838.82
4. Step 4: Simplify right side
   12,603.82x = 72,579,648.42
5. Step 5: Solve for x
   x = 72,579,648.42/12,603.82
6. Step 6: Final answer
   x = 5,758.54