Finding the Fourth Proportional to 2,359.59, 3,256.98 and 1,613.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.59 : 3,256.98 = 1,613.28 : x
2. Step 2: Convert to fraction form
   2,359.59/3,256.98 = 1,613.28/x
3. Step 3: Cross multiply
   2,359.59x = 3,256.98 × 1,613.28
4. Step 4: Simplify right side
   2,359.59x = 5,254,420.69
5. Step 5: Solve for x
   x = 5,254,420.69/2,359.59
6. Step 6: Final answer
   x = 2,226.84