Finding the Fourth Proportional to 6,499.62, 8,961.33 and 5,424.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.62 : 8,961.33 = 5,424.43 : x
2. Step 2: Convert to fraction form
   6,499.62/8,961.33 = 5,424.43/x
3. Step 3: Cross multiply
   6,499.62x = 8,961.33 × 5,424.43
4. Step 4: Simplify right side
   6,499.62x = 48,610,107.29
5. Step 5: Solve for x
   x = 48,610,107.29/6,499.62
6. Step 6: Final answer
   x = 7,478.92