Finding the Fourth Proportional to 1,831.50, 2,526.86 and 1,085.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.50 : 2,526.86 = 1,085.69 : x
2. Step 2: Convert to fraction form
   1,831.50/2,526.86 = 1,085.69/x
3. Step 3: Cross multiply
   1,831.50x = 2,526.86 × 1,085.69
4. Step 4: Simplify right side
   1,831.50x = 2,743,395.66
5. Step 5: Solve for x
   x = 2,743,395.66/1,831.50
6. Step 6: Final answer
   x = 1,497.90