Finding the Fourth Proportional to 2,366.87, 3,547.61 and 1,440.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,366.87 : 3,547.61 = 1,440.39 : x
2. Step 2: Convert to fraction form
   2,366.87/3,547.61 = 1,440.39/x
3. Step 3: Cross multiply
   2,366.87x = 3,547.61 × 1,440.39
4. Step 4: Simplify right side
   2,366.87x = 5,109,920.63
5. Step 5: Solve for x
   x = 5,109,920.63/2,366.87
6. Step 6: Final answer
   x = 2,158.94