Finding the Fourth Proportional to 13,522.56, 18,661.10 and 7,554.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,522.56 : 18,661.10 = 7,554.24 : x
2. Step 2: Convert to fraction form
   13,522.56/18,661.10 = 7,554.24/x
3. Step 3: Cross multiply
   13,522.56x = 18,661.10 × 7,554.24
4. Step 4: Simplify right side
   13,522.56x = 140,970,390.29
5. Step 5: Solve for x
   x = 140,970,390.29/13,522.56
6. Step 6: Final answer
   x = 10,424.83