Finding the Fourth Proportional to 7,356.72, 10,149.39 and 4,211.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,356.72 : 10,149.39 = 4,211.22 : x
2. Step 2: Convert to fraction form
   7,356.72/10,149.39 = 4,211.22/x
3. Step 3: Cross multiply
   7,356.72x = 10,149.39 × 4,211.22
4. Step 4: Simplify right side
   7,356.72x = 42,741,314.16
5. Step 5: Solve for x
   x = 42,741,314.16/7,356.72
6. Step 6: Final answer
   x = 5,809.83