Finding the Fourth Proportional to 13,119.41, 19,683.82 and 5,619.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,119.41 : 19,683.82 = 5,619.83 : x
2. Step 2: Convert to fraction form
   13,119.41/19,683.82 = 5,619.83/x
3. Step 3: Cross multiply
   13,119.41x = 19,683.82 × 5,619.83
4. Step 4: Simplify right side
   13,119.41x = 110,619,609.68
5. Step 5: Solve for x
   x = 110,619,609.68/13,119.41
6. Step 6: Final answer
   x = 8,431.75