Finding the Fourth Proportional to 5,488.74, 8,219.25 and 3,634.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.74 : 8,219.25 = 3,634.25 : x
2. Step 2: Convert to fraction form
   5,488.74/8,219.25 = 3,634.25/x
3. Step 3: Cross multiply
   5,488.74x = 8,219.25 × 3,634.25
4. Step 4: Simplify right side
   5,488.74x = 29,870,768.22
5. Step 5: Solve for x
   x = 29,870,768.22/5,488.74
6. Step 6: Final answer
   x = 5,442.19