Finding the Fourth Proportional to 6,855.31, 9,460.33 and 3,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,855.31 : 9,460.33 = 3,711.50 : x
2. Step 2: Convert to fraction form
   6,855.31/9,460.33 = 3,711.50/x
3. Step 3: Cross multiply
   6,855.31x = 9,460.33 × 3,711.50
4. Step 4: Simplify right side
   6,855.31x = 35,112,014.57
5. Step 5: Solve for x
   x = 35,112,014.57/6,855.31
6. Step 6: Final answer
   x = 5,121.87