Finding the Fourth Proportional to 13,731.82, 18,949.86 and 7,444.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,731.82 : 18,949.86 = 7,444.19 : x
2. Step 2: Convert to fraction form
   13,731.82/18,949.86 = 7,444.19/x
3. Step 3: Cross multiply
   13,731.82x = 18,949.86 × 7,444.19
4. Step 4: Simplify right side
   13,731.82x = 141,066,358.31
5. Step 5: Solve for x
   x = 141,066,358.31/13,731.82
6. Step 6: Final answer
   x = 10,272.95