Finding the Fourth Proportional to 9,683.17, 13,375.31 and 7,472.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,683.17 : 13,375.31 = 7,472.39 : x
2. Step 2: Convert to fraction form
   9,683.17/13,375.31 = 7,472.39/x
3. Step 3: Cross multiply
   9,683.17x = 13,375.31 × 7,472.39
4. Step 4: Simplify right side
   9,683.17x = 99,945,428.45
5. Step 5: Solve for x
   x = 99,945,428.45/9,683.17
6. Step 6: Final answer
   x = 10,321.56