Finding the Fourth Proportional to 6,275.29, 8,659.89 and 3,480.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,275.29 : 8,659.89 = 3,480.79 : x
2. Step 2: Convert to fraction form
   6,275.29/8,659.89 = 3,480.79/x
3. Step 3: Cross multiply
   6,275.29x = 8,659.89 × 3,480.79
4. Step 4: Simplify right side
   6,275.29x = 30,143,215.21
5. Step 5: Solve for x
   x = 30,143,215.21/6,275.29
6. Step 6: Final answer
   x = 4,803.48