Finding the Fourth Proportional to 5,404.98, 7,460.25 and 3,521.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.98 : 7,460.25 = 3,521.28 : x
2. Step 2: Convert to fraction form
   5,404.98/7,460.25 = 3,521.28/x
3. Step 3: Cross multiply
   5,404.98x = 7,460.25 × 3,521.28
4. Step 4: Simplify right side
   5,404.98x = 26,269,629.12
5. Step 5: Solve for x
   x = 26,269,629.12/5,404.98
6. Step 6: Final answer
   x = 4,860.26