Finding the Fourth Proportional to 1,580.33, 2,369.72 and 484.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.33 : 2,369.72 = 484.43 : x
2. Step 2: Convert to fraction form
   1,580.33/2,369.72 = 484.43/x
3. Step 3: Cross multiply
   1,580.33x = 2,369.72 × 484.43
4. Step 4: Simplify right side
   1,580.33x = 1,147,968.78
5. Step 5: Solve for x
   x = 1,147,968.78/1,580.33
6. Step 6: Final answer
   x = 726.41