Finding the Fourth Proportional to 13,874.14, 19,144.83 and 8,209.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,874.14 : 19,144.83 = 8,209.12 : x
2. Step 2: Convert to fraction form
   13,874.14/19,144.83 = 8,209.12/x
3. Step 3: Cross multiply
   13,874.14x = 19,144.83 × 8,209.12
4. Step 4: Simplify right side
   13,874.14x = 157,162,256.42
5. Step 5: Solve for x
   x = 157,162,256.42/13,874.14
6. Step 6: Final answer
   x = 11,327.72