Finding the Fourth Proportional to 2,401.98, 3,585.61 and 2,221.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.98 : 3,585.61 = 2,221.62 : x
2. Step 2: Convert to fraction form
   2,401.98/3,585.61 = 2,221.62/x
3. Step 3: Cross multiply
   2,401.98x = 3,585.61 × 2,221.62
4. Step 4: Simplify right side
   2,401.98x = 7,965,862.89
5. Step 5: Solve for x
   x = 7,965,862.89/2,401.98
6. Step 6: Final answer
   x = 3,316.37