Finding the Fourth Proportional to 6,141.89, 8,475.81 and 3,489.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,141.89 : 8,475.81 = 3,489.30 : x
2. Step 2: Convert to fraction form
   6,141.89/8,475.81 = 3,489.30/x
3. Step 3: Cross multiply
   6,141.89x = 8,475.81 × 3,489.30
4. Step 4: Simplify right side
   6,141.89x = 29,574,630.75
5. Step 5: Solve for x
   x = 29,574,630.75/6,141.89
6. Step 6: Final answer
   x = 4,815.24