Finding the Fourth Proportional to 13,683.16, 18,882.76 and 7,395.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,683.16 : 18,882.76 = 7,395.54 : x
2. Step 2: Convert to fraction form
   13,683.16/18,882.76 = 7,395.54/x
3. Step 3: Cross multiply
   13,683.16x = 18,882.76 × 7,395.54
4. Step 4: Simplify right side
   13,683.16x = 139,648,206.89
5. Step 5: Solve for x
   x = 139,648,206.89/13,683.16
6. Step 6: Final answer
   x = 10,205.84