Finding the Fourth Proportional to 6,309.63, 8,707.37 and 3,657.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,309.63 : 8,707.37 = 3,657.83 : x
2. Step 2: Convert to fraction form
   6,309.63/8,707.37 = 3,657.83/x
3. Step 3: Cross multiply
   6,309.63x = 8,707.37 × 3,657.83
4. Step 4: Simplify right side
   6,309.63x = 31,850,017.38
5. Step 5: Solve for x
   x = 31,850,017.38/6,309.63
6. Step 6: Final answer
   x = 5,047.84