Finding the Fourth Proportional to 12,174.86, 18,264 and 3,854

Step by Step Solution

1. Step 1: Write the proportion equation
   12,174.86 : 18,264 = 3,854 : x
2. Step 2: Convert to fraction form
   12,174.86/18,264 = 3,854/x
3. Step 3: Cross multiply
   12,174.86x = 18,264 × 3,854
4. Step 4: Simplify right side
   12,174.86x = 70,389,456
5. Step 5: Solve for x
   x = 70,389,456/12,174.86
6. Step 6: Final answer
   x = 5,781.54