Finding the Fourth Proportional to 5,704.72, 7,870.32 and 4,216.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,704.72 : 7,870.32 = 4,216.24 : x
2. Step 2: Convert to fraction form
   5,704.72/7,870.32 = 4,216.24/x
3. Step 3: Cross multiply
   5,704.72x = 7,870.32 × 4,216.24
4. Step 4: Simplify right side
   5,704.72x = 33,183,158.00
5. Step 5: Solve for x
   x = 33,183,158.00/5,704.72
6. Step 6: Final answer
   x = 5,816.79