Finding the Fourth Proportional to 2,486.33, 3,431.24 and 1,491.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.33 : 3,431.24 = 1,491.25 : x
2. Step 2: Convert to fraction form
   2,486.33/3,431.24 = 1,491.25/x
3. Step 3: Cross multiply
   2,486.33x = 3,431.24 × 1,491.25
4. Step 4: Simplify right side
   2,486.33x = 5,116,826.21
5. Step 5: Solve for x
   x = 5,116,826.21/2,486.33
6. Step 6: Final answer
   x = 2,057.98