Finding the Fourth Proportional to 13,275.24, 18,316.89 and 7,683

Step by Step Solution

1. Step 1: Write the proportion equation
   13,275.24 : 18,316.89 = 7,683 : x
2. Step 2: Convert to fraction form
   13,275.24/18,316.89 = 7,683/x
3. Step 3: Cross multiply
   13,275.24x = 18,316.89 × 7,683
4. Step 4: Simplify right side
   13,275.24x = 140,728,665.87
5. Step 5: Solve for x
   x = 140,728,665.87/13,275.24
6. Step 6: Final answer
   x = 10,600.84