Finding the Fourth Proportional to 9,019.63, 12,448.70 and 5,244

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.63 : 12,448.70 = 5,244 : x
2. Step 2: Convert to fraction form
   9,019.63/12,448.70 = 5,244/x
3. Step 3: Cross multiply
   9,019.63x = 12,448.70 × 5,244
4. Step 4: Simplify right side
   9,019.63x = 65,280,982.80
5. Step 5: Solve for x
   x = 65,280,982.80/9,019.63
6. Step 6: Final answer
   x = 7,237.66