Finding the Fourth Proportional to 13,743.84, 18,966.42 and 7,456.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,743.84 : 18,966.42 = 7,456.08 : x
2. Step 2: Convert to fraction form
   13,743.84/18,966.42 = 7,456.08/x
3. Step 3: Cross multiply
   13,743.84x = 18,966.42 × 7,456.08
4. Step 4: Simplify right side
   13,743.84x = 141,415,144.83
5. Step 5: Solve for x
   x = 141,415,144.83/13,743.84
6. Step 6: Final answer
   x = 10,289.35