Finding the Fourth Proportional to 2,348.76, 3,521.54 and 961.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.76 : 3,521.54 = 961.70 : x
2. Step 2: Convert to fraction form
   2,348.76/3,521.54 = 961.70/x
3. Step 3: Cross multiply
   2,348.76x = 3,521.54 × 961.70
4. Step 4: Simplify right side
   2,348.76x = 3,386,665.02
5. Step 5: Solve for x
   x = 3,386,665.02/2,348.76
6. Step 6: Final answer
   x = 1,441.89