Finding the Fourth Proportional to 5,561.69, 7,677.90 and 4,299.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,561.69 : 7,677.90 = 4,299.89 : x
2. Step 2: Convert to fraction form
   5,561.69/7,677.90 = 4,299.89/x
3. Step 3: Cross multiply
   5,561.69x = 7,677.90 × 4,299.89
4. Step 4: Simplify right side
   5,561.69x = 33,014,087.04
5. Step 5: Solve for x
   x = 33,014,087.04/5,561.69
6. Step 6: Final answer
   x = 5,935.99