Finding the Fourth Proportional to 2,423.54, 3,632.09 and 961.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.54 : 3,632.09 = 961.89 : x
2. Step 2: Convert to fraction form
   2,423.54/3,632.09 = 961.89/x
3. Step 3: Cross multiply
   2,423.54x = 3,632.09 × 961.89
4. Step 4: Simplify right side
   2,423.54x = 3,493,666.24
5. Step 5: Solve for x
   x = 3,493,666.24/2,423.54
6. Step 6: Final answer
   x = 1,441.56