Finding the Fourth Proportional to 5,429.62, 7,488.61 and 3,438.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.62 : 7,488.61 = 3,438.24 : x
2. Step 2: Convert to fraction form
   5,429.62/7,488.61 = 3,438.24/x
3. Step 3: Cross multiply
   5,429.62x = 7,488.61 × 3,438.24
4. Step 4: Simplify right side
   5,429.62x = 25,747,638.45
5. Step 5: Solve for x
   x = 25,747,638.45/5,429.62
6. Step 6: Final answer
   x = 4,742.07