Finding the Fourth Proportional to 2,423.78, 3,635.91 and 962.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.78 : 3,635.91 = 962.61 : x
2. Step 2: Convert to fraction form
   2,423.78/3,635.91 = 962.61/x
3. Step 3: Cross multiply
   2,423.78x = 3,635.91 × 962.61
4. Step 4: Simplify right side
   2,423.78x = 3,499,940.33
5. Step 5: Solve for x
   x = 3,499,940.33/2,423.78
6. Step 6: Final answer
   x = 1,444.00