Finding the Fourth Proportional to 9,018.62, 12,445.68 and 5,244

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.62 : 12,445.68 = 5,244 : x
2. Step 2: Convert to fraction form
   9,018.62/12,445.68 = 5,244/x
3. Step 3: Cross multiply
   9,018.62x = 12,445.68 × 5,244
4. Step 4: Simplify right side
   9,018.62x = 65,265,145.92
5. Step 5: Solve for x
   x = 65,265,145.92/9,018.62
6. Step 6: Final answer
   x = 7,236.71