Finding the Fourth Proportional to 6,340.50, 9,510.78 and 1,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,340.50 : 9,510.78 = 1,723.50 : x
2. Step 2: Convert to fraction form
   6,340.50/9,510.78 = 1,723.50/x
3. Step 3: Cross multiply
   6,340.50x = 9,510.78 × 1,723.50
4. Step 4: Simplify right side
   6,340.50x = 16,391,829.33
5. Step 5: Solve for x
   x = 16,391,829.33/6,340.50
6. Step 6: Final answer
   x = 2,585.26