Finding the Fourth Proportional to 2,491.62, 3,437.46 and 1,443.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.62 : 3,437.46 = 1,443.48 : x
2. Step 2: Convert to fraction form
   2,491.62/3,437.46 = 1,443.48/x
3. Step 3: Cross multiply
   2,491.62x = 3,437.46 × 1,443.48
4. Step 4: Simplify right side
   2,491.62x = 4,961,904.76
5. Step 5: Solve for x
   x = 4,961,904.76/2,491.62
6. Step 6: Final answer
   x = 1,991.44