Finding the Fourth Proportional to 2,457.49, 3,391.37 and 1,395.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.49 : 3,391.37 = 1,395.22 : x
2. Step 2: Convert to fraction form
   2,457.49/3,391.37 = 1,395.22/x
3. Step 3: Cross multiply
   2,457.49x = 3,391.37 × 1,395.22
4. Step 4: Simplify right side
   2,457.49x = 4,731,697.03
5. Step 5: Solve for x
   x = 4,731,697.03/2,457.49
6. Step 6: Final answer
   x = 1,925.42