Finding the Fourth Proportional to 2,408.06, 3,609.04 and 1,312.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.06 : 3,609.04 = 1,312.12 : x
2. Step 2: Convert to fraction form
   2,408.06/3,609.04 = 1,312.12/x
3. Step 3: Cross multiply
   2,408.06x = 3,609.04 × 1,312.12
4. Step 4: Simplify right side
   2,408.06x = 4,735,493.56
5. Step 5: Solve for x
   x = 4,735,493.56/2,408.06
6. Step 6: Final answer
   x = 1,966.52