Finding the Fourth Proportional to 2,498.81, 3,749.30 and 1,343.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.81 : 3,749.30 = 1,343.21 : x
2. Step 2: Convert to fraction form
   2,498.81/3,749.30 = 1,343.21/x
3. Step 3: Cross multiply
   2,498.81x = 3,749.30 × 1,343.21
4. Step 4: Simplify right side
   2,498.81x = 5,036,097.25
5. Step 5: Solve for x
   x = 5,036,097.25/2,498.81
6. Step 6: Final answer
   x = 2,015.40