Finding the Fourth Proportional to 2,435.24, 3,360.45 and 1,491.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.24 : 3,360.45 = 1,491.31 : x
2. Step 2: Convert to fraction form
   2,435.24/3,360.45 = 1,491.31/x
3. Step 3: Cross multiply
   2,435.24x = 3,360.45 × 1,491.31
4. Step 4: Simplify right side
   2,435.24x = 5,011,482.48
5. Step 5: Solve for x
   x = 5,011,482.48/2,435.24
6. Step 6: Final answer
   x = 2,057.90