Finding the Fourth Proportional to 3,942.43, 5,910.45 and 1,603.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.43 : 5,910.45 = 1,603.53 : x
2. Step 2: Convert to fraction form
   3,942.43/5,910.45 = 1,603.53/x
3. Step 3: Cross multiply
   3,942.43x = 5,910.45 × 1,603.53
4. Step 4: Simplify right side
   3,942.43x = 9,477,583.89
5. Step 5: Solve for x
   x = 9,477,583.89/3,942.43
6. Step 6: Final answer
   x = 2,404.00