Finding the Fourth Proportional to 2,076.26, 3,116.82 and 1,457.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.26 : 3,116.82 = 1,457.42 : x
2. Step 2: Convert to fraction form
   2,076.26/3,116.82 = 1,457.42/x
3. Step 3: Cross multiply
   2,076.26x = 3,116.82 × 1,457.42
4. Step 4: Simplify right side
   2,076.26x = 4,542,515.80
5. Step 5: Solve for x
   x = 4,542,515.80/2,076.26
6. Step 6: Final answer
   x = 2,187.84