Finding the Fourth Proportional to 12,176.58, 18,262.06 and 3,855.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,176.58 : 18,262.06 = 3,855.04 : x
2. Step 2: Convert to fraction form
   12,176.58/18,262.06 = 3,855.04/x
3. Step 3: Cross multiply
   12,176.58x = 18,262.06 × 3,855.04
4. Step 4: Simplify right side
   12,176.58x = 70,401,019.21
5. Step 5: Solve for x
   x = 70,401,019.21/12,176.58
6. Step 6: Final answer
   x = 5,781.68