Finding the Fourth Proportional to 1,968.18, 2,945.86 and 1,448.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.18 : 2,945.86 = 1,448.05 : x
2. Step 2: Convert to fraction form
   1,968.18/2,945.86 = 1,448.05/x
3. Step 3: Cross multiply
   1,968.18x = 2,945.86 × 1,448.05
4. Step 4: Simplify right side
   1,968.18x = 4,265,752.57
5. Step 5: Solve for x
   x = 4,265,752.57/1,968.18
6. Step 6: Final answer
   x = 2,167.36