Finding the Fourth Proportional to 13,410.50, 18,506.49 and 7,443.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.50 : 18,506.49 = 7,443.14 : x
2. Step 2: Convert to fraction form
   13,410.50/18,506.49 = 7,443.14/x
3. Step 3: Cross multiply
   13,410.50x = 18,506.49 × 7,443.14
4. Step 4: Simplify right side
   13,410.50x = 137,746,395.98
5. Step 5: Solve for x
   x = 137,746,395.98/13,410.50
6. Step 6: Final answer
   x = 10,271.53