Finding the Fourth Proportional to 2,584.48, 3,566.58 and 1,405.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.48 : 3,566.58 = 1,405.54 : x
2. Step 2: Convert to fraction form
   2,584.48/3,566.58 = 1,405.54/x
3. Step 3: Cross multiply
   2,584.48x = 3,566.58 × 1,405.54
4. Step 4: Simplify right side
   2,584.48x = 5,012,970.04
5. Step 5: Solve for x
   x = 5,012,970.04/2,584.48
6. Step 6: Final answer
   x = 1,939.65