Finding the Fourth Proportional to 10,665.41, 14,718.16 and 5,885.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.41 : 14,718.16 = 5,885.39 : x
2. Step 2: Convert to fraction form
   10,665.41/14,718.16 = 5,885.39/x
3. Step 3: Cross multiply
   10,665.41x = 14,718.16 × 5,885.39
4. Step 4: Simplify right side
   10,665.41x = 86,622,122.73
5. Step 5: Solve for x
   x = 86,622,122.73/10,665.41
6. Step 6: Final answer
   x = 8,121.78