Finding the Fourth Proportional to 2,530.48, 3,491.97 and 1,411.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.48 : 3,491.97 = 1,411.40 : x
2. Step 2: Convert to fraction form
   2,530.48/3,491.97 = 1,411.40/x
3. Step 3: Cross multiply
   2,530.48x = 3,491.97 × 1,411.40
4. Step 4: Simplify right side
   2,530.48x = 4,928,566.46
5. Step 5: Solve for x
   x = 4,928,566.46/2,530.48
6. Step 6: Final answer
   x = 1,947.68