Finding the Fourth Proportional to 13,675.98, 18,870.18 and 8,367.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,675.98 : 18,870.18 = 8,367.04 : x
2. Step 2: Convert to fraction form
   13,675.98/18,870.18 = 8,367.04/x
3. Step 3: Cross multiply
   13,675.98x = 18,870.18 × 8,367.04
4. Step 4: Simplify right side
   13,675.98x = 157,887,456.52
5. Step 5: Solve for x
   x = 157,887,456.52/13,675.98
6. Step 6: Final answer
   x = 11,544.87