Finding the Fourth Proportional to 6,131.60, 8,459.64 and 3,579.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.60 : 8,459.64 = 3,579.39 : x
2. Step 2: Convert to fraction form
   6,131.60/8,459.64 = 3,579.39/x
3. Step 3: Cross multiply
   6,131.60x = 8,459.64 × 3,579.39
4. Step 4: Simplify right side
   6,131.60x = 30,280,350.82
5. Step 5: Solve for x
   x = 30,280,350.82/6,131.60
6. Step 6: Final answer
   x = 4,938.41