Finding the Fourth Proportional to 4,724.70, 7,083.69 and 3,162.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,724.70 : 7,083.69 = 3,162.78 : x
2. Step 2: Convert to fraction form
   4,724.70/7,083.69 = 3,162.78/x
3. Step 3: Cross multiply
   4,724.70x = 7,083.69 × 3,162.78
4. Step 4: Simplify right side
   4,724.70x = 22,404,153.06
5. Step 5: Solve for x
   x = 22,404,153.06/4,724.70
6. Step 6: Final answer
   x = 4,741.92