Finding the Fourth Proportional to 5,351.54, 7,382.72 and 3,112.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,351.54 : 7,382.72 = 3,112.83 : x
2. Step 2: Convert to fraction form
   5,351.54/7,382.72 = 3,112.83/x
3. Step 3: Cross multiply
   5,351.54x = 7,382.72 × 3,112.83
4. Step 4: Simplify right side
   5,351.54x = 22,981,151.32
5. Step 5: Solve for x
   x = 22,981,151.32/5,351.54
6. Step 6: Final answer
   x = 4,294.30