Finding the Fourth Proportional to 13,249.18, 19,874.69 and 4,481.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,249.18 : 19,874.69 = 4,481.13 : x
2. Step 2: Convert to fraction form
   13,249.18/19,874.69 = 4,481.13/x
3. Step 3: Cross multiply
   13,249.18x = 19,874.69 × 4,481.13
4. Step 4: Simplify right side
   13,249.18x = 89,061,069.60
5. Step 5: Solve for x
   x = 89,061,069.60/13,249.18
6. Step 6: Final answer
   x = 6,722.01