Finding the Fourth Proportional to 13,522.43, 18,660.92 and 7,554.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,522.43 : 18,660.92 = 7,554.06 : x
2. Step 2: Convert to fraction form
   13,522.43/18,660.92 = 7,554.06/x
3. Step 3: Cross multiply
   13,522.43x = 18,660.92 × 7,554.06
4. Step 4: Simplify right side
   13,522.43x = 140,965,671.56
5. Step 5: Solve for x
   x = 140,965,671.56/13,522.43
6. Step 6: Final answer
   x = 10,424.58