Finding the Fourth Proportional to 4,384.89, 6,578.94 and 1,613.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,384.89 : 6,578.94 = 1,613.37 : x
2. Step 2: Convert to fraction form
   4,384.89/6,578.94 = 1,613.37/x
3. Step 3: Cross multiply
   4,384.89x = 6,578.94 × 1,613.37
4. Step 4: Simplify right side
   4,384.89x = 10,614,264.43
5. Step 5: Solve for x
   x = 10,614,264.43/4,384.89
6. Step 6: Final answer
   x = 2,420.65