Finding the Fourth Proportional to 5,105.57, 7,627.33 and 3,241.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.57 : 7,627.33 = 3,241.76 : x
2. Step 2: Convert to fraction form
   5,105.57/7,627.33 = 3,241.76/x
3. Step 3: Cross multiply
   5,105.57x = 7,627.33 × 3,241.76
4. Step 4: Simplify right side
   5,105.57x = 24,725,973.30
5. Step 5: Solve for x
   x = 24,725,973.30/5,105.57
6. Step 6: Final answer
   x = 4,842.94