Finding the Fourth Proportional to 3,494.17, 5,243.89 and 1,851.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494.17 : 5,243.89 = 1,851.09 : x
2. Step 2: Convert to fraction form
   3,494.17/5,243.89 = 1,851.09/x
3. Step 3: Cross multiply
   3,494.17x = 5,243.89 × 1,851.09
4. Step 4: Simplify right side
   3,494.17x = 9,706,891.52
5. Step 5: Solve for x
   x = 9,706,891.52/3,494.17
6. Step 6: Final answer
   x = 2,778.02