Finding the Fourth Proportional to 2,583.97, 3,565.89 and 1,405.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.97 : 3,565.89 = 1,405.05 : x
2. Step 2: Convert to fraction form
   2,583.97/3,565.89 = 1,405.05/x
3. Step 3: Cross multiply
   2,583.97x = 3,565.89 × 1,405.05
4. Step 4: Simplify right side
   2,583.97x = 5,010,240.37
5. Step 5: Solve for x
   x = 5,010,240.37/2,583.97
6. Step 6: Final answer
   x = 1,938.97