Finding the Fourth Proportional to 1,871.48, 2,582.06 and 1,085.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.48 : 2,582.06 = 1,085.37 : x
2. Step 2: Convert to fraction form
   1,871.48/2,582.06 = 1,085.37/x
3. Step 3: Cross multiply
   1,871.48x = 2,582.06 × 1,085.37
4. Step 4: Simplify right side
   1,871.48x = 2,802,490.46
5. Step 5: Solve for x
   x = 2,802,490.46/1,871.48
6. Step 6: Final answer
   x = 1,497.48