Finding the Fourth Proportional to 2,565.15, 3,844.53 and 1,395.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.15 : 3,844.53 = 1,395.15 : x
2. Step 2: Convert to fraction form
   2,565.15/3,844.53 = 1,395.15/x
3. Step 3: Cross multiply
   2,565.15x = 3,844.53 × 1,395.15
4. Step 4: Simplify right side
   2,565.15x = 5,363,696.03
5. Step 5: Solve for x
   x = 5,363,696.03/2,565.15
6. Step 6: Final answer
   x = 2,090.99