Finding the Fourth Proportional to 12,108.54, 18,164.86 and 3,786.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108.54 : 18,164.86 = 3,786.92 : x
2. Step 2: Convert to fraction form
   12,108.54/18,164.86 = 3,786.92/x
3. Step 3: Cross multiply
   12,108.54x = 18,164.86 × 3,786.92
4. Step 4: Simplify right side
   12,108.54x = 68,788,871.63
5. Step 5: Solve for x
   x = 68,788,871.63/12,108.54
6. Step 6: Final answer
   x = 5,681.02