Finding the Fourth Proportional to 13,411.18, 18,508.50 and 7,444

Step by Step Solution

1. Step 1: Write the proportion equation
   13,411.18 : 18,508.50 = 7,444 : x
2. Step 2: Convert to fraction form
   13,411.18/18,508.50 = 7,444/x
3. Step 3: Cross multiply
   13,411.18x = 18,508.50 × 7,444
4. Step 4: Simplify right side
   13,411.18x = 137,777,274
5. Step 5: Solve for x
   x = 137,777,274/13,411.18
6. Step 6: Final answer
   x = 10,273.31