Finding the Fourth Proportional to 13,519.27, 18,654.75 and 7,550.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,519.27 : 18,654.75 = 7,550.18 : x
2. Step 2: Convert to fraction form
   13,519.27/18,654.75 = 7,550.18/x
3. Step 3: Cross multiply
   13,519.27x = 18,654.75 × 7,550.18
4. Step 4: Simplify right side
   13,519.27x = 140,846,589.33
5. Step 5: Solve for x
   x = 140,846,589.33/13,519.27
6. Step 6: Final answer
   x = 10,418.21