Finding the Fourth Proportional to 6,494.56, 8,961.94 and 3,975.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,494.56 : 8,961.94 = 3,975.59 : x
2. Step 2: Convert to fraction form
   6,494.56/8,961.94 = 3,975.59/x
3. Step 3: Cross multiply
   6,494.56x = 8,961.94 × 3,975.59
4. Step 4: Simplify right side
   6,494.56x = 35,628,999.04
5. Step 5: Solve for x
   x = 35,628,999.04/6,494.56
6. Step 6: Final answer
   x = 5,485.98