Finding the Fourth Proportional to 2,976.16, 4,106.72 and 1,796.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.16 : 4,106.72 = 1,796.80 : x
2. Step 2: Convert to fraction form
   2,976.16/4,106.72 = 1,796.80/x
3. Step 3: Cross multiply
   2,976.16x = 4,106.72 × 1,796.80
4. Step 4: Simplify right side
   2,976.16x = 7,378,954.50
5. Step 5: Solve for x
   x = 7,378,954.50/2,976.16
6. Step 6: Final answer
   x = 2,479.35