Finding the Fourth Proportional to 2,453.46, 3,679.83 and 810.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.46 : 3,679.83 = 810.06 : x
2. Step 2: Convert to fraction form
   2,453.46/3,679.83 = 810.06/x
3. Step 3: Cross multiply
   2,453.46x = 3,679.83 × 810.06
4. Step 4: Simplify right side
   2,453.46x = 2,980,883.09
5. Step 5: Solve for x
   x = 2,980,883.09/2,453.46
6. Step 6: Final answer
   x = 1,214.97