Finding the Fourth Proportional to 5,710.72, 7,884.48 and 3,589.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,710.72 : 7,884.48 = 3,589.18 : x
2. Step 2: Convert to fraction form
   5,710.72/7,884.48 = 3,589.18/x
3. Step 3: Cross multiply
   5,710.72x = 7,884.48 × 3,589.18
4. Step 4: Simplify right side
   5,710.72x = 28,298,817.93
5. Step 5: Solve for x
   x = 28,298,817.93/5,710.72
6. Step 6: Final answer
   x = 4,955.39