Finding the Fourth Proportional to 1,739.82, 2,399.72 and 1,267.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,739.82 : 2,399.72 = 1,267.22 : x
2. Step 2: Convert to fraction form
   1,739.82/2,399.72 = 1,267.22/x
3. Step 3: Cross multiply
   1,739.82x = 2,399.72 × 1,267.22
4. Step 4: Simplify right side
   1,739.82x = 3,040,973.18
5. Step 5: Solve for x
   x = 3,040,973.18/1,739.82
6. Step 6: Final answer
   x = 1,747.87