Finding the Fourth Proportional to 1,747.38, 2,411.38 and 961.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.38 : 2,411.38 = 961.40 : x
2. Step 2: Convert to fraction form
   1,747.38/2,411.38 = 961.40/x
3. Step 3: Cross multiply
   1,747.38x = 2,411.38 × 961.40
4. Step 4: Simplify right side
   1,747.38x = 2,318,300.73
5. Step 5: Solve for x
   x = 2,318,300.73/1,747.38
6. Step 6: Final answer
   x = 1,326.73