Finding the Fourth Proportional to 6,145.50, 8,480.79 and 3,351

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.50 : 8,480.79 = 3,351 : x
2. Step 2: Convert to fraction form
   6,145.50/8,480.79 = 3,351/x
3. Step 3: Cross multiply
   6,145.50x = 8,480.79 × 3,351
4. Step 4: Simplify right side
   6,145.50x = 28,419,127.29
5. Step 5: Solve for x
   x = 28,419,127.29/6,145.50
6. Step 6: Final answer
   x = 4,624.38