Finding the Fourth Proportional to 2,008.55, 3,018.96 and 1,965.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.55 : 3,018.96 = 1,965.48 : x
2. Step 2: Convert to fraction form
   2,008.55/3,018.96 = 1,965.48/x
3. Step 3: Cross multiply
   2,008.55x = 3,018.96 × 1,965.48
4. Step 4: Simplify right side
   2,008.55x = 5,933,705.50
5. Step 5: Solve for x
   x = 5,933,705.50/2,008.55
6. Step 6: Final answer
   x = 2,954.22