Finding the Fourth Proportional to 6,145.89, 8,481.53 and 3,457.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.89 : 8,481.53 = 3,457.58 : x
2. Step 2: Convert to fraction form
   6,145.89/8,481.53 = 3,457.58/x
3. Step 3: Cross multiply
   6,145.89x = 8,481.53 × 3,457.58
4. Step 4: Simplify right side
   6,145.89x = 29,325,568.50
5. Step 5: Solve for x
   x = 29,325,568.50/6,145.89
6. Step 6: Final answer
   x = 4,771.57