Finding the Fourth Proportional to 2,404.89, 3,607.57 and 1,231.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.89 : 3,607.57 = 1,231.67 : x
2. Step 2: Convert to fraction form
   2,404.89/3,607.57 = 1,231.67/x
3. Step 3: Cross multiply
   2,404.89x = 3,607.57 × 1,231.67
4. Step 4: Simplify right side
   2,404.89x = 4,443,346.30
5. Step 5: Solve for x
   x = 4,443,346.30/2,404.89
6. Step 6: Final answer
   x = 1,847.63