Finding the Fourth Proportional to 1,976.81, 2,958.32 and 1,196.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.81 : 2,958.32 = 1,196.37 : x
2. Step 2: Convert to fraction form
   1,976.81/2,958.32 = 1,196.37/x
3. Step 3: Cross multiply
   1,976.81x = 2,958.32 × 1,196.37
4. Step 4: Simplify right side
   1,976.81x = 3,539,248.29
5. Step 5: Solve for x
   x = 3,539,248.29/1,976.81
6. Step 6: Final answer
   x = 1,790.39