Finding the Fourth Proportional to 1,976.77, 2,727.89 and 1,092.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.77 : 2,727.89 = 1,092.55 : x
2. Step 2: Convert to fraction form
   1,976.77/2,727.89 = 1,092.55/x
3. Step 3: Cross multiply
   1,976.77x = 2,727.89 × 1,092.55
4. Step 4: Simplify right side
   1,976.77x = 2,980,352.13
5. Step 5: Solve for x
   x = 2,980,352.13/1,976.77
6. Step 6: Final answer
   x = 1,507.69