Finding the Fourth Proportional to 2,453.40, 3,681.90 and 1,479.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.40 : 3,681.90 = 1,479.96 : x
2. Step 2: Convert to fraction form
   2,453.40/3,681.90 = 1,479.96/x
3. Step 3: Cross multiply
   2,453.40x = 3,681.90 × 1,479.96
4. Step 4: Simplify right side
   2,453.40x = 5,449,064.72
5. Step 5: Solve for x
   x = 5,449,064.72/2,453.40
6. Step 6: Final answer
   x = 2,221.03