Finding the Fourth Proportional to 6,259.59, 8,640.41 and 3,608.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,259.59 : 8,640.41 = 3,608.06 : x
2. Step 2: Convert to fraction form
   6,259.59/8,640.41 = 3,608.06/x
3. Step 3: Cross multiply
   6,259.59x = 8,640.41 × 3,608.06
4. Step 4: Simplify right side
   6,259.59x = 31,175,056.46
5. Step 5: Solve for x
   x = 31,175,056.46/6,259.59
6. Step 6: Final answer
   x = 4,980.37