Finding the Fourth Proportional to 9,648.63, 13,314.16 and 5,399.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.63 : 13,314.16 = 5,399.44 : x
2. Step 2: Convert to fraction form
   9,648.63/13,314.16 = 5,399.44/x
3. Step 3: Cross multiply
   9,648.63x = 13,314.16 × 5,399.44
4. Step 4: Simplify right side
   9,648.63x = 71,889,008.07
5. Step 5: Solve for x
   x = 71,889,008.07/9,648.63
6. Step 6: Final answer
   x = 7,450.70