Finding the Fourth Proportional to 6,274.96, 8,659.64 and 3,480.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,274.96 : 8,659.64 = 3,480.72 : x
2. Step 2: Convert to fraction form
   6,274.96/8,659.64 = 3,480.72/x
3. Step 3: Cross multiply
   6,274.96x = 8,659.64 × 3,480.72
4. Step 4: Simplify right side
   6,274.96x = 30,141,782.14
5. Step 5: Solve for x
   x = 30,141,782.14/6,274.96
6. Step 6: Final answer
   x = 4,803.50