Finding the Fourth Proportional to 2,404.65, 3,602.24 and 1,231.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.65 : 3,602.24 = 1,231.20 : x
2. Step 2: Convert to fraction form
   2,404.65/3,602.24 = 1,231.20/x
3. Step 3: Cross multiply
   2,404.65x = 3,602.24 × 1,231.20
4. Step 4: Simplify right side
   2,404.65x = 4,435,076.35
5. Step 5: Solve for x
   x = 4,435,076.35/2,404.65
6. Step 6: Final answer
   x = 1,844.37