Finding the Fourth Proportional to 3,917.43, 5,404.46 and 2,345.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917.43 : 5,404.46 = 2,345.49 : x
2. Step 2: Convert to fraction form
   3,917.43/5,404.46 = 2,345.49/x
3. Step 3: Cross multiply
   3,917.43x = 5,404.46 × 2,345.49
4. Step 4: Simplify right side
   3,917.43x = 12,676,095.16
5. Step 5: Solve for x
   x = 12,676,095.16/3,917.43
6. Step 6: Final answer
   x = 3,235.82