Finding the Fourth Proportional to 13,144.16, 18,137.04 and 7,554.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.16 : 18,137.04 = 7,554.08 : x
2. Step 2: Convert to fraction form
   13,144.16/18,137.04 = 7,554.08/x
3. Step 3: Cross multiply
   13,144.16x = 18,137.04 × 7,554.08
4. Step 4: Simplify right side
   13,144.16x = 137,008,651.12
5. Step 5: Solve for x
   x = 137,008,651.12/13,144.16
6. Step 6: Final answer
   x = 10,423.54