Finding the Fourth Proportional to 10,200.28, 15,296.10 and 3,628.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.28 : 15,296.10 = 3,628.12 : x
2. Step 2: Convert to fraction form
   10,200.28/15,296.10 = 3,628.12/x
3. Step 3: Cross multiply
   10,200.28x = 15,296.10 × 3,628.12
4. Step 4: Simplify right side
   10,200.28x = 55,496,086.33
5. Step 5: Solve for x
   x = 55,496,086.33/10,200.28
6. Step 6: Final answer
   x = 5,440.64