Finding the Fourth Proportional to 5,704.32, 7,871.72 and 3,580.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,704.32 : 7,871.72 = 3,580.96 : x
2. Step 2: Convert to fraction form
   5,704.32/7,871.72 = 3,580.96/x
3. Step 3: Cross multiply
   5,704.32x = 7,871.72 × 3,580.96
4. Step 4: Simplify right side
   5,704.32x = 28,188,303.72
5. Step 5: Solve for x
   x = 28,188,303.72/5,704.32
6. Step 6: Final answer
   x = 4,941.57