Finding the Fourth Proportional to 13,877.98, 19,149.89 and 8,840.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,877.98 : 19,149.89 = 8,840.13 : x
2. Step 2: Convert to fraction form
   13,877.98/19,149.89 = 8,840.13/x
3. Step 3: Cross multiply
   13,877.98x = 19,149.89 × 8,840.13
4. Step 4: Simplify right side
   13,877.98x = 169,287,517.09
5. Step 5: Solve for x
   x = 169,287,517.09/13,877.98
6. Step 6: Final answer
   x = 12,198.29