Finding the Fourth Proportional to 5,429.85, 7,499.33 and 3,658.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.85 : 7,499.33 = 3,658.38 : x
2. Step 2: Convert to fraction form
   5,429.85/7,499.33 = 3,658.38/x
3. Step 3: Cross multiply
   5,429.85x = 7,499.33 × 3,658.38
4. Step 4: Simplify right side
   5,429.85x = 27,435,343.10
5. Step 5: Solve for x
   x = 27,435,343.10/5,429.85
6. Step 6: Final answer
   x = 5,052.69