Finding the Fourth Proportional to 2,355.01, 3,531.89 and 1,119.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.01 : 3,531.89 = 1,119.96 : x
2. Step 2: Convert to fraction form
   2,355.01/3,531.89 = 1,119.96/x
3. Step 3: Cross multiply
   2,355.01x = 3,531.89 × 1,119.96
4. Step 4: Simplify right side
   2,355.01x = 3,955,578.32
5. Step 5: Solve for x
   x = 3,955,578.32/2,355.01
6. Step 6: Final answer
   x = 1,679.65