Finding the Fourth Proportional to 2,828.34, 4,244.45 and 1,162.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.34 : 4,244.45 = 1,162.78 : x
2. Step 2: Convert to fraction form
   2,828.34/4,244.45 = 1,162.78/x
3. Step 3: Cross multiply
   2,828.34x = 4,244.45 × 1,162.78
4. Step 4: Simplify right side
   2,828.34x = 4,935,345.15
5. Step 5: Solve for x
   x = 4,935,345.15/2,828.34
6. Step 6: Final answer
   x = 1,744.96