Finding the Fourth Proportional to 2,590.39, 3,574.74 and 1,411.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.39 : 3,574.74 = 1,411.45 : x
2. Step 2: Convert to fraction form
   2,590.39/3,574.74 = 1,411.45/x
3. Step 3: Cross multiply
   2,590.39x = 3,574.74 × 1,411.45
4. Step 4: Simplify right side
   2,590.39x = 5,045,566.77
5. Step 5: Solve for x
   x = 5,045,566.77/2,590.39
6. Step 6: Final answer
   x = 1,947.80