Finding the Fourth Proportional to 1,831.37, 2,740.89 and 1,101.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.37 : 2,740.89 = 1,101.45 : x
2. Step 2: Convert to fraction form
   1,831.37/2,740.89 = 1,101.45/x
3. Step 3: Cross multiply
   1,831.37x = 2,740.89 × 1,101.45
4. Step 4: Simplify right side
   1,831.37x = 3,018,953.29
5. Step 5: Solve for x
   x = 3,018,953.29/1,831.37
6. Step 6: Final answer
   x = 1,648.47