Finding the Fourth Proportional to 2,033.31, 2,804.54 and 1,247.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.31 : 2,804.54 = 1,247.79 : x
2. Step 2: Convert to fraction form
   2,033.31/2,804.54 = 1,247.79/x
3. Step 3: Cross multiply
   2,033.31x = 2,804.54 × 1,247.79
4. Step 4: Simplify right side
   2,033.31x = 3,499,470.73
5. Step 5: Solve for x
   x = 3,499,470.73/2,033.31
6. Step 6: Final answer
   x = 1,721.07