Finding the Fourth Proportional to 1,174.69, 1,759.32 and 843.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.69 : 1,759.32 = 843.57 : x
2. Step 2: Convert to fraction form
   1,174.69/1,759.32 = 843.57/x
3. Step 3: Cross multiply
   1,174.69x = 1,759.32 × 843.57
4. Step 4: Simplify right side
   1,174.69x = 1,484,109.57
5. Step 5: Solve for x
   x = 1,484,109.57/1,174.69
6. Step 6: Final answer
   x = 1,263.41