Finding the Fourth Proportional to 13,841.34, 19,101.49 and 7,872.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,841.34 : 19,101.49 = 7,872.86 : x
2. Step 2: Convert to fraction form
   13,841.34/19,101.49 = 7,872.86/x
3. Step 3: Cross multiply
   13,841.34x = 19,101.49 × 7,872.86
4. Step 4: Simplify right side
   13,841.34x = 150,383,261.05
5. Step 5: Solve for x
   x = 150,383,261.05/13,841.34
6. Step 6: Final answer
   x = 10,864.79