Finding the Fourth Proportional to 1,831.55, 2,527.54 and 1,085.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.55 : 2,527.54 = 1,085.87 : x
2. Step 2: Convert to fraction form
   1,831.55/2,527.54 = 1,085.87/x
3. Step 3: Cross multiply
   1,831.55x = 2,527.54 × 1,085.87
4. Step 4: Simplify right side
   1,831.55x = 2,744,583.46
5. Step 5: Solve for x
   x = 2,744,583.46/1,831.55
6. Step 6: Final answer
   x = 1,498.51