Finding the Fourth Proportional to 5,508.74, 7,608.36 and 3,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,508.74 : 7,608.36 = 3,628.72 : x
2. Step 2: Convert to fraction form
   5,508.74/7,608.36 = 3,628.72/x
3. Step 3: Cross multiply
   5,508.74x = 7,608.36 × 3,628.72
4. Step 4: Simplify right side
   5,508.74x = 27,608,608.10
5. Step 5: Solve for x
   x = 27,608,608.10/5,508.74
6. Step 6: Final answer
   x = 5,011.78