Finding the Fourth Proportional to 2,336.96, 3,507.18 and 1,639.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,336.96 : 3,507.18 = 1,639.04 : x
2. Step 2: Convert to fraction form
   2,336.96/3,507.18 = 1,639.04/x
3. Step 3: Cross multiply
   2,336.96x = 3,507.18 × 1,639.04
4. Step 4: Simplify right side
   2,336.96x = 5,748,408.31
5. Step 5: Solve for x
   x = 5,748,408.31/2,336.96
6. Step 6: Final answer
   x = 2,459.78