Finding the Fourth Proportional to 5,587.52, 7,711.89 and 3,230.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,587.52 : 7,711.89 = 3,230.42 : x
2. Step 2: Convert to fraction form
   5,587.52/7,711.89 = 3,230.42/x
3. Step 3: Cross multiply
   5,587.52x = 7,711.89 × 3,230.42
4. Step 4: Simplify right side
   5,587.52x = 24,912,643.69
5. Step 5: Solve for x
   x = 24,912,643.69/5,587.52
6. Step 6: Final answer
   x = 4,458.62