Finding the Fourth Proportional to 2,424.21, 3,638.15 and 1,602.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.21 : 3,638.15 = 1,602.20 : x
2. Step 2: Convert to fraction form
   2,424.21/3,638.15 = 1,602.20/x
3. Step 3: Cross multiply
   2,424.21x = 3,638.15 × 1,602.20
4. Step 4: Simplify right side
   2,424.21x = 5,829,017.73
5. Step 5: Solve for x
   x = 5,829,017.73/2,424.21
6. Step 6: Final answer
   x = 2,404.50