Finding the Fourth Proportional to 3,664.82, 5,494.59 and 1,715.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.82 : 5,494.59 = 1,715.96 : x
2. Step 2: Convert to fraction form
   3,664.82/5,494.59 = 1,715.96/x
3. Step 3: Cross multiply
   3,664.82x = 5,494.59 × 1,715.96
4. Step 4: Simplify right side
   3,664.82x = 9,428,469.18
5. Step 5: Solve for x
   x = 9,428,469.18/3,664.82
6. Step 6: Final answer
   x = 2,572.70