Finding the Fourth Proportional to 3,916.82, 5,898.68 and 3,566.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916.82 : 5,898.68 = 3,566.90 : x
2. Step 2: Convert to fraction form
   3,916.82/5,898.68 = 3,566.90/x
3. Step 3: Cross multiply
   3,916.82x = 5,898.68 × 3,566.90
4. Step 4: Simplify right side
   3,916.82x = 21,040,001.69
5. Step 5: Solve for x
   x = 21,040,001.69/3,916.82
6. Step 6: Final answer
   x = 5,371.71