Finding the Fourth Proportional to 2,355.83, 3,530.64 and 1,316.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.83 : 3,530.64 = 1,316.33 : x
2. Step 2: Convert to fraction form
   2,355.83/3,530.64 = 1,316.33/x
3. Step 3: Cross multiply
   2,355.83x = 3,530.64 × 1,316.33
4. Step 4: Simplify right side
   2,355.83x = 4,647,469.70
5. Step 5: Solve for x
   x = 4,647,469.70/2,355.83
6. Step 6: Final answer
   x = 1,972.76