Finding the Fourth Proportional to 2,461.42, 3,398.17 and 1,621.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.42 : 3,398.17 = 1,621.82 : x
2. Step 2: Convert to fraction form
   2,461.42/3,398.17 = 1,621.82/x
3. Step 3: Cross multiply
   2,461.42x = 3,398.17 × 1,621.82
4. Step 4: Simplify right side
   2,461.42x = 5,511,199.02
5. Step 5: Solve for x
   x = 5,511,199.02/2,461.42
6. Step 6: Final answer
   x = 2,239.03