Finding the Fourth Proportional to 3,388.72, 4,676.04 and 1,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.72 : 4,676.04 = 1,896.72 : x
2. Step 2: Convert to fraction form
   3,388.72/4,676.04 = 1,896.72/x
3. Step 3: Cross multiply
   3,388.72x = 4,676.04 × 1,896.72
4. Step 4: Simplify right side
   3,388.72x = 8,869,138.59
5. Step 5: Solve for x
   x = 8,869,138.59/3,388.72
6. Step 6: Final answer
   x = 2,617.25