Finding the Fourth Proportional to 1,831.82, 2,748.20 and 737.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.82 : 2,748.20 = 737.40 : x
2. Step 2: Convert to fraction form
   1,831.82/2,748.20 = 737.40/x
3. Step 3: Cross multiply
   1,831.82x = 2,748.20 × 737.40
4. Step 4: Simplify right side
   1,831.82x = 2,026,529.30
5. Step 5: Solve for x
   x = 2,026,529.30/1,831.82
6. Step 6: Final answer
   x = 1,106.30