Finding the Fourth Proportional to 9,019.36, 12,443.18 and 5,241.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.36 : 12,443.18 = 5,241.85 : x
2. Step 2: Convert to fraction form
   9,019.36/12,443.18 = 5,241.85/x
3. Step 3: Cross multiply
   9,019.36x = 12,443.18 × 5,241.85
4. Step 4: Simplify right side
   9,019.36x = 65,225,283.08
5. Step 5: Solve for x
   x = 65,225,283.08/9,019.36
6. Step 6: Final answer
   x = 7,231.70