Finding the Fourth Proportional to 7,182.91, 9,911.50 and 4,198.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,182.91 : 9,911.50 = 4,198.15 : x
2. Step 2: Convert to fraction form
   7,182.91/9,911.50 = 4,198.15/x
3. Step 3: Cross multiply
   7,182.91x = 9,911.50 × 4,198.15
4. Step 4: Simplify right side
   7,182.91x = 41,609,963.73
5. Step 5: Solve for x
   x = 41,609,963.73/7,182.91
6. Step 6: Final answer
   x = 5,792.91