Finding the Fourth Proportional to 1,945.26, 2,910.71 and 1,165.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.26 : 2,910.71 = 1,165.82 : x
2. Step 2: Convert to fraction form
   1,945.26/2,910.71 = 1,165.82/x
3. Step 3: Cross multiply
   1,945.26x = 2,910.71 × 1,165.82
4. Step 4: Simplify right side
   1,945.26x = 3,393,363.93
5. Step 5: Solve for x
   x = 3,393,363.93/1,945.26
6. Step 6: Final answer
   x = 1,744.43