Finding the Fourth Proportional to 4,789.88, 6,610.25 and 2,665.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.88 : 6,610.25 = 2,665.42 : x
2. Step 2: Convert to fraction form
   4,789.88/6,610.25 = 2,665.42/x
3. Step 3: Cross multiply
   4,789.88x = 6,610.25 × 2,665.42
4. Step 4: Simplify right side
   4,789.88x = 17,619,082.69
5. Step 5: Solve for x
   x = 17,619,082.69/4,789.88
6. Step 6: Final answer
   x = 3,678.40