Finding the Fourth Proportional to 6,369.49, 8,789.78 and 3,536.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369.49 : 8,789.78 = 3,536.87 : x
2. Step 2: Convert to fraction form
   6,369.49/8,789.78 = 3,536.87/x
3. Step 3: Cross multiply
   6,369.49x = 8,789.78 × 3,536.87
4. Step 4: Simplify right side
   6,369.49x = 31,088,291.50
5. Step 5: Solve for x
   x = 31,088,291.50/6,369.49
6. Step 6: Final answer
   x = 4,880.82