Finding the Fourth Proportional to 1,871.56, 2,582.76 and 1,085.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.56 : 2,582.76 = 1,085.76 : x
2. Step 2: Convert to fraction form
   1,871.56/2,582.76 = 1,085.76/x
3. Step 3: Cross multiply
   1,871.56x = 2,582.76 × 1,085.76
4. Step 4: Simplify right side
   1,871.56x = 2,804,257.50
5. Step 5: Solve for x
   x = 2,804,257.50/1,871.56
6. Step 6: Final answer
   x = 1,498.35