Finding the Fourth Proportional to 13,282.96, 18,329.89 and 7,613.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,282.96 : 18,329.89 = 7,613.64 : x
2. Step 2: Convert to fraction form
   13,282.96/18,329.89 = 7,613.64/x
3. Step 3: Cross multiply
   13,282.96x = 18,329.89 × 7,613.64
4. Step 4: Simplify right side
   13,282.96x = 139,557,145.63
5. Step 5: Solve for x
   x = 139,557,145.63/13,282.96
6. Step 6: Final answer
   x = 10,506.48