Finding the Fourth Proportional to 2,401.62, 3,317 and 1,603.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.62 : 3,317 = 1,603.56 : x
2. Step 2: Convert to fraction form
   2,401.62/3,317 = 1,603.56/x
3. Step 3: Cross multiply
   2,401.62x = 3,317 × 1,603.56
4. Step 4: Simplify right side
   2,401.62x = 5,319,008.52
5. Step 5: Solve for x
   x = 5,319,008.52/2,401.62
6. Step 6: Final answer
   x = 2,214.76