Finding the Fourth Proportional to 3,914.25, 5,404.19 and 3,493.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.25 : 5,404.19 = 3,493.89 : x
2. Step 2: Convert to fraction form
   3,914.25/5,404.19 = 3,493.89/x
3. Step 3: Cross multiply
   3,914.25x = 5,404.19 × 3,493.89
4. Step 4: Simplify right side
   3,914.25x = 18,881,627.93
5. Step 5: Solve for x
   x = 18,881,627.93/3,914.25
6. Step 6: Final answer
   x = 4,823.82