Finding the Fourth Proportional to 6,369, 8,789.22 and 3,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369 : 8,789.22 = 3,574.50 : x
2. Step 2: Convert to fraction form
   6,369/8,789.22 = 3,574.50/x
3. Step 3: Cross multiply
   6,369x = 8,789.22 × 3,574.50
4. Step 4: Simplify right side
   6,369x = 31,417,066.89
5. Step 5: Solve for x
   x = 31,417,066.89/6,369
6. Step 6: Final answer
   x = 4,932.81