Finding the Fourth Proportional to 10,639.35, 14,683.32 and 5,923.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,639.35 : 14,683.32 = 5,923.63 : x
2. Step 2: Convert to fraction form
   10,639.35/14,683.32 = 5,923.63/x
3. Step 3: Cross multiply
   10,639.35x = 14,683.32 × 5,923.63
4. Step 4: Simplify right side
   10,639.35x = 86,978,481.44
5. Step 5: Solve for x
   x = 86,978,481.44/10,639.35
6. Step 6: Final answer
   x = 8,175.17