Finding the Fourth Proportional to 9,685.16, 13,372.46 and 7,443.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,685.16 : 13,372.46 = 7,443.48 : x
2. Step 2: Convert to fraction form
   9,685.16/13,372.46 = 7,443.48/x
3. Step 3: Cross multiply
   9,685.16x = 13,372.46 × 7,443.48
4. Step 4: Simplify right side
   9,685.16x = 99,537,638.56
5. Step 5: Solve for x
   x = 99,537,638.56/9,685.16
6. Step 6: Final answer
   x = 10,277.34