Finding the Fourth Proportional to 2,401.85, 3,599.13 and 1,621.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.85 : 3,599.13 = 1,621.82 : x
2. Step 2: Convert to fraction form
   2,401.85/3,599.13 = 1,621.82/x
3. Step 3: Cross multiply
   2,401.85x = 3,599.13 × 1,621.82
4. Step 4: Simplify right side
   2,401.85x = 5,837,156.10
5. Step 5: Solve for x
   x = 5,837,156.10/2,401.85
6. Step 6: Final answer
   x = 2,430.27