Finding the Fourth Proportional to 13,743.98, 18,967.06 and 7,456.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,743.98 : 18,967.06 = 7,456.35 : x
2. Step 2: Convert to fraction form
   13,743.98/18,967.06 = 7,456.35/x
3. Step 3: Cross multiply
   13,743.98x = 18,967.06 × 7,456.35
4. Step 4: Simplify right side
   13,743.98x = 141,425,118.28
5. Step 5: Solve for x
   x = 141,425,118.28/13,743.98
6. Step 6: Final answer
   x = 10,289.97