Finding the Fourth Proportional to 1,831.39, 2,527.15 and 1,085.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.39 : 2,527.15 = 1,085.22 : x
2. Step 2: Convert to fraction form
   1,831.39/2,527.15 = 1,085.22/x
3. Step 3: Cross multiply
   1,831.39x = 2,527.15 × 1,085.22
4. Step 4: Simplify right side
   1,831.39x = 2,742,513.72
5. Step 5: Solve for x
   x = 2,742,513.72/1,831.39
6. Step 6: Final answer
   x = 1,497.50