Finding the Fourth Proportional to 6,561.50, 9,845.15 and 3,440.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,561.50 : 9,845.15 = 3,440.76 : x
2. Step 2: Convert to fraction form
   6,561.50/9,845.15 = 3,440.76/x
3. Step 3: Cross multiply
   6,561.50x = 9,845.15 × 3,440.76
4. Step 4: Simplify right side
   6,561.50x = 33,874,798.31
5. Step 5: Solve for x
   x = 33,874,798.31/6,561.50
6. Step 6: Final answer
   x = 5,162.66