Finding the Fourth Proportional to 2,584.73, 3,566.91 and 1,405.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.73 : 3,566.91 = 1,405.80 : x
2. Step 2: Convert to fraction form
   2,584.73/3,566.91 = 1,405.80/x
3. Step 3: Cross multiply
   2,584.73x = 3,566.91 × 1,405.80
4. Step 4: Simplify right side
   2,584.73x = 5,014,356.81
5. Step 5: Solve for x
   x = 5,014,356.81/2,584.73
6. Step 6: Final answer
   x = 1,939.99