Finding the Fourth Proportional to 1,976.72, 2,962.52 and 805.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.72 : 2,962.52 = 805.37 : x
2. Step 2: Convert to fraction form
   1,976.72/2,962.52 = 805.37/x
3. Step 3: Cross multiply
   1,976.72x = 2,962.52 × 805.37
4. Step 4: Simplify right side
   1,976.72x = 2,385,909.92
5. Step 5: Solve for x
   x = 2,385,909.92/1,976.72
6. Step 6: Final answer
   x = 1,207.00