Finding the Fourth Proportional to 1,453.25, 2,180.42 and 759.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.25 : 2,180.42 = 759.89 : x
2. Step 2: Convert to fraction form
   1,453.25/2,180.42 = 759.89/x
3. Step 3: Cross multiply
   1,453.25x = 2,180.42 × 759.89
4. Step 4: Simplify right side
   1,453.25x = 1,656,879.35
5. Step 5: Solve for x
   x = 1,656,879.35/1,453.25
6. Step 6: Final answer
   x = 1,140.12