Finding the Fourth Proportional to 6,369.61, 8,789.67 and 3,536.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369.61 : 8,789.67 = 3,536.81 : x
2. Step 2: Convert to fraction form
   6,369.61/8,789.67 = 3,536.81/x
3. Step 3: Cross multiply
   6,369.61x = 8,789.67 × 3,536.81
4. Step 4: Simplify right side
   6,369.61x = 31,087,368.50
5. Step 5: Solve for x
   x = 31,087,368.50/6,369.61
6. Step 6: Final answer
   x = 4,880.58