Finding the Fourth Proportional to 13,367.38, 18,451.59 and 7,704.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,367.38 : 18,451.59 = 7,704.39 : x
2. Step 2: Convert to fraction form
   13,367.38/18,451.59 = 7,704.39/x
3. Step 3: Cross multiply
   13,367.38x = 18,451.59 × 7,704.39
4. Step 4: Simplify right side
   13,367.38x = 142,158,245.48
5. Step 5: Solve for x
   x = 142,158,245.48/13,367.38
6. Step 6: Final answer
   x = 10,634.71