Finding the Fourth Proportional to 2,003.42, 3,005.48 and 965.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.42 : 3,005.48 = 965.30 : x
2. Step 2: Convert to fraction form
   2,003.42/3,005.48 = 965.30/x
3. Step 3: Cross multiply
   2,003.42x = 3,005.48 × 965.30
4. Step 4: Simplify right side
   2,003.42x = 2,901,177.23
5. Step 5: Solve for x
   x = 2,901,177.23/2,003.42
6. Step 6: Final answer
   x = 1,448.11