Finding the Fourth Proportional to 5,398.62, 7,401.54 and 5,300.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,398.62 : 7,401.54 = 5,300.22 : x
2. Step 2: Convert to fraction form
   5,398.62/7,401.54 = 5,300.22/x
3. Step 3: Cross multiply
   5,398.62x = 7,401.54 × 5,300.22
4. Step 4: Simplify right side
   5,398.62x = 39,229,763.84
5. Step 5: Solve for x
   x = 39,229,763.84/5,398.62
6. Step 6: Final answer
   x = 7,266.63