Finding the Fourth Proportional to 1,498.38, 2,245.59 and 717.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.38 : 2,245.59 = 717.36 : x
2. Step 2: Convert to fraction form
   1,498.38/2,245.59 = 717.36/x
3. Step 3: Cross multiply
   1,498.38x = 2,245.59 × 717.36
4. Step 4: Simplify right side
   1,498.38x = 1,610,896.44
5. Step 5: Solve for x
   x = 1,610,896.44/1,498.38
6. Step 6: Final answer
   x = 1,075.09