Finding the Fourth Proportional to 5,675.69, 7,832.25 and 3,123.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,675.69 : 7,832.25 = 3,123.21 : x
2. Step 2: Convert to fraction form
   5,675.69/7,832.25 = 3,123.21/x
3. Step 3: Cross multiply
   5,675.69x = 7,832.25 × 3,123.21
4. Step 4: Simplify right side
   5,675.69x = 24,461,760.01
5. Step 5: Solve for x
   x = 24,461,760.01/5,675.69
6. Step 6: Final answer
   x = 4,309.92