Finding the Fourth Proportional to 2,408.06, 3,322.83 and 1,345.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.06 : 3,322.83 = 1,345.90 : x
2. Step 2: Convert to fraction form
   2,408.06/3,322.83 = 1,345.90/x
3. Step 3: Cross multiply
   2,408.06x = 3,322.83 × 1,345.90
4. Step 4: Simplify right side
   2,408.06x = 4,472,196.90
5. Step 5: Solve for x
   x = 4,472,196.90/2,408.06
6. Step 6: Final answer
   x = 1,857.18