Finding the Fourth Proportional to 5,404.22, 7,457.82 and 2,920.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.22 : 7,457.82 = 2,920.22 : x
2. Step 2: Convert to fraction form
   5,404.22/7,457.82 = 2,920.22/x
3. Step 3: Cross multiply
   5,404.22x = 7,457.82 × 2,920.22
4. Step 4: Simplify right side
   5,404.22x = 21,778,471.27
5. Step 5: Solve for x
   x = 21,778,471.27/5,404.22
6. Step 6: Final answer
   x = 4,029.90