Finding the Fourth Proportional to 6,308.96, 8,705.84 and 3,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.96 : 8,705.84 = 3,656.72 : x
2. Step 2: Convert to fraction form
   6,308.96/8,705.84 = 3,656.72/x
3. Step 3: Cross multiply
   6,308.96x = 8,705.84 × 3,656.72
4. Step 4: Simplify right side
   6,308.96x = 31,834,819.24
5. Step 5: Solve for x
   x = 31,834,819.24/6,308.96
6. Step 6: Final answer
   x = 5,045.97