Finding the Fourth Proportional to 5,399.38, 7,402.54 and 5,300.97

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.38 : 7,402.54 = 5,300.97 : x
2. Step 2: Convert to fraction form
   5,399.38/7,402.54 = 5,300.97/x
3. Step 3: Cross multiply
   5,399.38x = 7,402.54 × 5,300.97
4. Step 4: Simplify right side
   5,399.38x = 39,240,642.46
5. Step 5: Solve for x
   x = 39,240,642.46/5,399.38
6. Step 6: Final answer
   x = 7,267.62