Finding the Fourth Proportional to 3,404.72, 5,111.39 and 2,894.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.72 : 5,111.39 = 2,894.96 : x
2. Step 2: Convert to fraction form
   3,404.72/5,111.39 = 2,894.96/x
3. Step 3: Cross multiply
   3,404.72x = 5,111.39 × 2,894.96
4. Step 4: Simplify right side
   3,404.72x = 14,797,251.27
5. Step 5: Solve for x
   x = 14,797,251.27/3,404.72
6. Step 6: Final answer
   x = 4,346.11