Finding the Fourth Proportional to 1,831.80, 2,749.06 and 1,052.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.80 : 2,749.06 = 1,052.18 : x
2. Step 2: Convert to fraction form
   1,831.80/2,749.06 = 1,052.18/x
3. Step 3: Cross multiply
   1,831.80x = 2,749.06 × 1,052.18
4. Step 4: Simplify right side
   1,831.80x = 2,892,503.83
5. Step 5: Solve for x
   x = 2,892,503.83/1,831.80
6. Step 6: Final answer
   x = 1,579.05