Finding the Fourth Proportional to 6,308.72, 8,705.71 and 3,656.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.72 : 8,705.71 = 3,656.99 : x
2. Step 2: Convert to fraction form
   6,308.72/8,705.71 = 3,656.99/x
3. Step 3: Cross multiply
   6,308.72x = 8,705.71 × 3,656.99
4. Step 4: Simplify right side
   6,308.72x = 31,836,694.41
5. Step 5: Solve for x
   x = 31,836,694.41/6,308.72
6. Step 6: Final answer
   x = 5,046.46