Finding the Fourth Proportional to 1,976.31, 2,727.36 and 1,092.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.31 : 2,727.36 = 1,092.15 : x
2. Step 2: Convert to fraction form
   1,976.31/2,727.36 = 1,092.15/x
3. Step 3: Cross multiply
   1,976.31x = 2,727.36 × 1,092.15
4. Step 4: Simplify right side
   1,976.31x = 2,978,686.22
5. Step 5: Solve for x
   x = 2,978,686.22/1,976.31
6. Step 6: Final answer
   x = 1,507.20