Finding the Fourth Proportional to 1,969.16, 2,947.32 and 1,449.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.16 : 2,947.32 = 1,449.04 : x
2. Step 2: Convert to fraction form
   1,969.16/2,947.32 = 1,449.04/x
3. Step 3: Cross multiply
   1,969.16x = 2,947.32 × 1,449.04
4. Step 4: Simplify right side
   1,969.16x = 4,270,784.57
5. Step 5: Solve for x
   x = 4,270,784.57/1,969.16
6. Step 6: Final answer
   x = 2,168.84