Finding the Fourth Proportional to 1,633.98, 2,451.57 and 756.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.98 : 2,451.57 = 756.89 : x
2. Step 2: Convert to fraction form
   1,633.98/2,451.57 = 756.89/x
3. Step 3: Cross multiply
   1,633.98x = 2,451.57 × 756.89
4. Step 4: Simplify right side
   1,633.98x = 1,855,568.82
5. Step 5: Solve for x
   x = 1,855,568.82/1,633.98
6. Step 6: Final answer
   x = 1,135.61