Finding the Fourth Proportional to 2,987.76, 4,481.90 and 796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.76 : 4,481.90 = 796.50 : x
2. Step 2: Convert to fraction form
   2,987.76/4,481.90 = 796.50/x
3. Step 3: Cross multiply
   2,987.76x = 4,481.90 × 796.50
4. Step 4: Simplify right side
   2,987.76x = 3,569,833.35
5. Step 5: Solve for x
   x = 3,569,833.35/2,987.76
6. Step 6: Final answer
   x = 1,194.82