Finding the Fourth Proportional to 3,982.41, 5,975.42 and 3,916.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.41 : 5,975.42 = 3,916.80 : x
2. Step 2: Convert to fraction form
   3,982.41/5,975.42 = 3,916.80/x
3. Step 3: Cross multiply
   3,982.41x = 5,975.42 × 3,916.80
4. Step 4: Simplify right side
   3,982.41x = 23,404,505.47
5. Step 5: Solve for x
   x = 23,404,505.47/3,982.41
6. Step 6: Final answer
   x = 5,876.97