Finding the Fourth Proportional to 12,167.72, 18,254.82 and 3,847.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,167.72 : 18,254.82 = 3,847.94 : x
2. Step 2: Convert to fraction form
   12,167.72/18,254.82 = 3,847.94/x
3. Step 3: Cross multiply
   12,167.72x = 18,254.82 × 3,847.94
4. Step 4: Simplify right side
   12,167.72x = 70,243,452.07
5. Step 5: Solve for x
   x = 70,243,452.07/12,167.72
6. Step 6: Final answer
   x = 5,772.93