Finding the Fourth Proportional to 1,457.46, 2,185.83 and 676.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.46 : 2,185.83 = 676.71 : x
2. Step 2: Convert to fraction form
   1,457.46/2,185.83 = 676.71/x
3. Step 3: Cross multiply
   1,457.46x = 2,185.83 × 676.71
4. Step 4: Simplify right side
   1,457.46x = 1,479,173.02
5. Step 5: Solve for x
   x = 1,479,173.02/1,457.46
6. Step 6: Final answer
   x = 1,014.90