Finding the Fourth Proportional to 2,162.94, 3,244.69 and 776.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.94 : 3,244.69 = 776.43 : x
2. Step 2: Convert to fraction form
   2,162.94/3,244.69 = 776.43/x
3. Step 3: Cross multiply
   2,162.94x = 3,244.69 × 776.43
4. Step 4: Simplify right side
   2,162.94x = 2,519,274.66
5. Step 5: Solve for x
   x = 2,519,274.66/2,162.94
6. Step 6: Final answer
   x = 1,164.75