Finding the Fourth Proportional to 1,976.42, 2,727.42 and 1,092.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.42 : 2,727.42 = 1,092.20 : x
2. Step 2: Convert to fraction form
   1,976.42/2,727.42 = 1,092.20/x
3. Step 3: Cross multiply
   1,976.42x = 2,727.42 × 1,092.20
4. Step 4: Simplify right side
   1,976.42x = 2,978,888.12
5. Step 5: Solve for x
   x = 2,978,888.12/1,976.42
6. Step 6: Final answer
   x = 1,507.21