Finding the Fourth Proportional to 3,917.34, 5,404.23 and 2,404.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917.34 : 5,404.23 = 2,404.26 : x
2. Step 2: Convert to fraction form
   3,917.34/5,404.23 = 2,404.26/x
3. Step 3: Cross multiply
   3,917.34x = 5,404.23 × 2,404.26
4. Step 4: Simplify right side
   3,917.34x = 12,993,174.02
5. Step 5: Solve for x
   x = 12,993,174.02/3,917.34
6. Step 6: Final answer
   x = 3,316.84