Finding the Fourth Proportional to 1,615.82, 2,408.40 and 1,562.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.82 : 2,408.40 = 1,562.49 : x
2. Step 2: Convert to fraction form
   1,615.82/2,408.40 = 1,562.49/x
3. Step 3: Cross multiply
   1,615.82x = 2,408.40 × 1,562.49
4. Step 4: Simplify right side
   1,615.82x = 3,763,100.92
5. Step 5: Solve for x
   x = 3,763,100.92/1,615.82
6. Step 6: Final answer
   x = 2,328.92