Finding the Fourth Proportional to 2,828.38, 4,242.52 and 1,162.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.38 : 4,242.52 = 1,162.15 : x
2. Step 2: Convert to fraction form
   2,828.38/4,242.52 = 1,162.15/x
3. Step 3: Cross multiply
   2,828.38x = 4,242.52 × 1,162.15
4. Step 4: Simplify right side
   2,828.38x = 4,930,444.62
5. Step 5: Solve for x
   x = 4,930,444.62/2,828.38
6. Step 6: Final answer
   x = 1,743.20