Finding the Fourth Proportional to 2,505.21, 3,457.22 and 1,457.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.21 : 3,457.22 = 1,457.25 : x
2. Step 2: Convert to fraction form
   2,505.21/3,457.22 = 1,457.25/x
3. Step 3: Cross multiply
   2,505.21x = 3,457.22 × 1,457.25
4. Step 4: Simplify right side
   2,505.21x = 5,038,026.56
5. Step 5: Solve for x
   x = 5,038,026.56/2,505.21
6. Step 6: Final answer
   x = 2,011.02