Finding the Fourth Proportional to 1,348.06, 2,019.81 and 826.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.06 : 2,019.81 = 826.48 : x
2. Step 2: Convert to fraction form
   1,348.06/2,019.81 = 826.48/x
3. Step 3: Cross multiply
   1,348.06x = 2,019.81 × 826.48
4. Step 4: Simplify right side
   1,348.06x = 1,669,332.57
5. Step 5: Solve for x
   x = 1,669,332.57/1,348.06
6. Step 6: Final answer
   x = 1,238.32