Finding the Fourth Proportional to 9,019.35, 12,446.34 and 5,242.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.35 : 12,446.34 = 5,242.34 : x
2. Step 2: Convert to fraction form
   9,019.35/12,446.34 = 5,242.34/x
3. Step 3: Cross multiply
   9,019.35x = 12,446.34 × 5,242.34
4. Step 4: Simplify right side
   9,019.35x = 65,247,883.80
5. Step 5: Solve for x
   x = 65,247,883.80/9,019.35
6. Step 6: Final answer
   x = 7,234.21