Finding the Fourth Proportional to 5,404.25, 7,457.87 and 2,920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.25 : 7,457.87 = 2,920.25 : x
2. Step 2: Convert to fraction form
   5,404.25/7,457.87 = 2,920.25/x
3. Step 3: Cross multiply
   5,404.25x = 7,457.87 × 2,920.25
4. Step 4: Simplify right side
   5,404.25x = 21,778,830.27
5. Step 5: Solve for x
   x = 21,778,830.27/5,404.25
6. Step 6: Final answer
   x = 4,029.95