Finding the Fourth Proportional to 2,582.01, 3,870 and 1,266.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.01 : 3,870 = 1,266.39 : x
2. Step 2: Convert to fraction form
   2,582.01/3,870 = 1,266.39/x
3. Step 3: Cross multiply
   2,582.01x = 3,870 × 1,266.39
4. Step 4: Simplify right side
   2,582.01x = 4,900,929.30
5. Step 5: Solve for x
   x = 4,900,929.30/2,582.01
6. Step 6: Final answer
   x = 1,898.11