Finding the Fourth Proportional to 6,330.72, 8,736.40 and 3,536.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,330.72 : 8,736.40 = 3,536.16 : x
2. Step 2: Convert to fraction form
   6,330.72/8,736.40 = 3,536.16/x
3. Step 3: Cross multiply
   6,330.72x = 8,736.40 × 3,536.16
4. Step 4: Simplify right side
   6,330.72x = 30,893,308.22
5. Step 5: Solve for x
   x = 30,893,308.22/6,330.72
6. Step 6: Final answer
   x = 4,879.90