Finding the Fourth Proportional to 5,404.38, 7,458.04 and 2,920.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.38 : 7,458.04 = 2,920.38 : x
2. Step 2: Convert to fraction form
   5,404.38/7,458.04 = 2,920.38/x
3. Step 3: Cross multiply
   5,404.38x = 7,458.04 × 2,920.38
4. Step 4: Simplify right side
   5,404.38x = 21,780,310.86
5. Step 5: Solve for x
   x = 21,780,310.86/5,404.38
6. Step 6: Final answer
   x = 4,030.12