Finding the Fourth Proportional to 12,103.54, 18,154.67 and 3,782.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.54 : 18,154.67 = 3,782.61 : x
2. Step 2: Convert to fraction form
   12,103.54/18,154.67 = 3,782.61/x
3. Step 3: Cross multiply
   12,103.54x = 18,154.67 × 3,782.61
4. Step 4: Simplify right side
   12,103.54x = 68,672,017.38
5. Step 5: Solve for x
   x = 68,672,017.38/12,103.54
6. Step 6: Final answer
   x = 5,673.71