Finding the Fourth Proportional to 2,335.31, 3,222.76 and 1,273.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.31 : 3,222.76 = 1,273.06 : x
2. Step 2: Convert to fraction form
   2,335.31/3,222.76 = 1,273.06/x
3. Step 3: Cross multiply
   2,335.31x = 3,222.76 × 1,273.06
4. Step 4: Simplify right side
   2,335.31x = 4,102,750.73
5. Step 5: Solve for x
   x = 4,102,750.73/2,335.31
6. Step 6: Final answer
   x = 1,756.84