Finding the Fourth Proportional to 1,968.49, 2,953.73 and 1,090.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.49 : 2,953.73 = 1,090.82 : x
2. Step 2: Convert to fraction form
   1,968.49/2,953.73 = 1,090.82/x
3. Step 3: Cross multiply
   1,968.49x = 2,953.73 × 1,090.82
4. Step 4: Simplify right side
   1,968.49x = 3,221,987.76
5. Step 5: Solve for x
   x = 3,221,987.76/1,968.49
6. Step 6: Final answer
   x = 1,636.78