Finding the Fourth Proportional to 2,401.98, 3,601.69 and 1,621.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.98 : 3,601.69 = 1,621.95 : x
2. Step 2: Convert to fraction form
   2,401.98/3,601.69 = 1,621.95/x
3. Step 3: Cross multiply
   2,401.98x = 3,601.69 × 1,621.95
4. Step 4: Simplify right side
   2,401.98x = 5,841,761.10
5. Step 5: Solve for x
   x = 5,841,761.10/2,401.98
6. Step 6: Final answer
   x = 2,432.06