Finding the Fourth Proportional to 7,211.32, 9,950.56 and 4,067.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,211.32 : 9,950.56 = 4,067.56 : x
2. Step 2: Convert to fraction form
   7,211.32/9,950.56 = 4,067.56/x
3. Step 3: Cross multiply
   7,211.32x = 9,950.56 × 4,067.56
4. Step 4: Simplify right side
   7,211.32x = 40,474,499.83
5. Step 5: Solve for x
   x = 40,474,499.83/7,211.32
6. Step 6: Final answer
   x = 5,612.63