Finding the Fourth Proportional to 1,619.58, 2,429.76 and 796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619.58 : 2,429.76 = 796.88 : x
2. Step 2: Convert to fraction form
   1,619.58/2,429.76 = 796.88/x
3. Step 3: Cross multiply
   1,619.58x = 2,429.76 × 796.88
4. Step 4: Simplify right side
   1,619.58x = 1,936,227.15
5. Step 5: Solve for x
   x = 1,936,227.15/1,619.58
6. Step 6: Final answer
   x = 1,195.51