Finding the Fourth Proportional to 2,505.31, 3,457.82 and 1,457.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.31 : 3,457.82 = 1,457.57 : x
2. Step 2: Convert to fraction form
   2,505.31/3,457.82 = 1,457.57/x
3. Step 3: Cross multiply
   2,505.31x = 3,457.82 × 1,457.57
4. Step 4: Simplify right side
   2,505.31x = 5,040,014.70
5. Step 5: Solve for x
   x = 5,040,014.70/2,505.31
6. Step 6: Final answer
   x = 2,011.73