Finding the Fourth Proportional to 3,630.54, 5,009.78 and 2,057.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630.54 : 5,009.78 = 2,057.52 : x
2. Step 2: Convert to fraction form
   3,630.54/5,009.78 = 2,057.52/x
3. Step 3: Cross multiply
   3,630.54x = 5,009.78 × 2,057.52
4. Step 4: Simplify right side
   3,630.54x = 10,307,722.55
5. Step 5: Solve for x
   x = 10,307,722.55/3,630.54
6. Step 6: Final answer
   x = 2,839.17