Finding the Fourth Proportional to 2,457.48, 3,390.50 and 1,395.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.48 : 3,390.50 = 1,395.14 : x
2. Step 2: Convert to fraction form
   2,457.48/3,390.50 = 1,395.14/x
3. Step 3: Cross multiply
   2,457.48x = 3,390.50 × 1,395.14
4. Step 4: Simplify right side
   2,457.48x = 4,730,222.17
5. Step 5: Solve for x
   x = 4,730,222.17/2,457.48
6. Step 6: Final answer
   x = 1,924.83