Finding the Fourth Proportional to 5,709.34, 8,551.50 and 3,511.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,709.34 : 8,551.50 = 3,511.39 : x
2. Step 2: Convert to fraction form
   5,709.34/8,551.50 = 3,511.39/x
3. Step 3: Cross multiply
   5,709.34x = 8,551.50 × 3,511.39
4. Step 4: Simplify right side
   5,709.34x = 30,027,651.59
5. Step 5: Solve for x
   x = 30,027,651.59/5,709.34
6. Step 6: Final answer
   x = 5,259.39