Finding the Fourth Proportional to 1,976.10, 2,727.32 and 1,190.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.10 : 2,727.32 = 1,190.58 : x
2. Step 2: Convert to fraction form
   1,976.10/2,727.32 = 1,190.58/x
3. Step 3: Cross multiply
   1,976.10x = 2,727.32 × 1,190.58
4. Step 4: Simplify right side
   1,976.10x = 3,247,086.69
5. Step 5: Solve for x
   x = 3,247,086.69/1,976.10
6. Step 6: Final answer
   x = 1,643.18