Finding the Fourth Proportional to 12,103.57, 18,159 and 3,784.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.57 : 18,159 = 3,784.47 : x
2. Step 2: Convert to fraction form
   12,103.57/18,159 = 3,784.47/x
3. Step 3: Cross multiply
   12,103.57x = 18,159 × 3,784.47
4. Step 4: Simplify right side
   12,103.57x = 68,722,190.73
5. Step 5: Solve for x
   x = 68,722,190.73/12,103.57
6. Step 6: Final answer
   x = 5,677.84