Finding the Fourth Proportional to 3,606.82, 5,408.30 and 1,851.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.82 : 5,408.30 = 1,851.10 : x
2. Step 2: Convert to fraction form
   3,606.82/5,408.30 = 1,851.10/x
3. Step 3: Cross multiply
   3,606.82x = 5,408.30 × 1,851.10
4. Step 4: Simplify right side
   3,606.82x = 10,011,294.87
5. Step 5: Solve for x
   x = 10,011,294.87/3,606.82
6. Step 6: Final answer
   x = 2,775.66