Finding the Fourth Proportional to 5,429.69, 7,494.35 and 3,073.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.69 : 7,494.35 = 3,073.20 : x
2. Step 2: Convert to fraction form
   5,429.69/7,494.35 = 3,073.20/x
3. Step 3: Cross multiply
   5,429.69x = 7,494.35 × 3,073.20
4. Step 4: Simplify right side
   5,429.69x = 23,031,636.42
5. Step 5: Solve for x
   x = 23,031,636.42/5,429.69
6. Step 6: Final answer
   x = 4,241.80