Finding the Fourth Proportional to 2,722.17, 4,080.38 and 1,162.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.17 : 4,080.38 = 1,162.91 : x
2. Step 2: Convert to fraction form
   2,722.17/4,080.38 = 1,162.91/x
3. Step 3: Cross multiply
   2,722.17x = 4,080.38 × 1,162.91
4. Step 4: Simplify right side
   2,722.17x = 4,745,119.19
5. Step 5: Solve for x
   x = 4,745,119.19/2,722.17
6. Step 6: Final answer
   x = 1,743.14