Finding the Fourth Proportional to 2,408.42, 3,613.01 and 1,021.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.42 : 3,613.01 = 1,021.77 : x
2. Step 2: Convert to fraction form
   2,408.42/3,613.01 = 1,021.77/x
3. Step 3: Cross multiply
   2,408.42x = 3,613.01 × 1,021.77
4. Step 4: Simplify right side
   2,408.42x = 3,691,665.23
5. Step 5: Solve for x
   x = 3,691,665.23/2,408.42
6. Step 6: Final answer
   x = 1,532.82