Finding the Fourth Proportional to 2,582.15, 3,875.04 and 1,485

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.15 : 3,875.04 = 1,485 : x
2. Step 2: Convert to fraction form
   2,582.15/3,875.04 = 1,485/x
3. Step 3: Cross multiply
   2,582.15x = 3,875.04 × 1,485
4. Step 4: Simplify right side
   2,582.15x = 5,754,434.40
5. Step 5: Solve for x
   x = 5,754,434.40/2,582.15
6. Step 6: Final answer
   x = 2,228.55