Finding the Fourth Proportional to 13,241.56, 19,863.30 and 5,452.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,241.56 : 19,863.30 = 5,452.12 : x
2. Step 2: Convert to fraction form
   13,241.56/19,863.30 = 5,452.12/x
3. Step 3: Cross multiply
   13,241.56x = 19,863.30 × 5,452.12
4. Step 4: Simplify right side
   13,241.56x = 108,297,095.20
5. Step 5: Solve for x
   x = 108,297,095.20/13,241.56
6. Step 6: Final answer
   x = 8,178.58