Finding the Fourth Proportional to 3,896.01, 5,815.75 and 3,606.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.01 : 5,815.75 = 3,606.94 : x
2. Step 2: Convert to fraction form
   3,896.01/5,815.75 = 3,606.94/x
3. Step 3: Cross multiply
   3,896.01x = 5,815.75 × 3,606.94
4. Step 4: Simplify right side
   3,896.01x = 20,977,061.31
5. Step 5: Solve for x
   x = 20,977,061.31/3,896.01
6. Step 6: Final answer
   x = 5,384.24