Finding the Fourth Proportional to 2,736.40, 4,105.24 and 1,092.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.40 : 4,105.24 = 1,092.88 : x
2. Step 2: Convert to fraction form
   2,736.40/4,105.24 = 1,092.88/x
3. Step 3: Cross multiply
   2,736.40x = 4,105.24 × 1,092.88
4. Step 4: Simplify right side
   2,736.40x = 4,486,534.69
5. Step 5: Solve for x
   x = 4,486,534.69/2,736.40
6. Step 6: Final answer
   x = 1,639.58