Finding the Fourth Proportional to 10,628.52, 15,944.62 and 3,607.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.52 : 15,944.62 = 3,607.80 : x
2. Step 2: Convert to fraction form
   10,628.52/15,944.62 = 3,607.80/x
3. Step 3: Cross multiply
   10,628.52x = 15,944.62 × 3,607.80
4. Step 4: Simplify right side
   10,628.52x = 57,525,000.04
5. Step 5: Solve for x
   x = 57,525,000.04/10,628.52
6. Step 6: Final answer
   x = 5,412.32