Finding the Fourth Proportional to 3,632.78, 5,446.23 and 3,426.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,632.78 : 5,446.23 = 3,426.53 : x
2. Step 2: Convert to fraction form
   3,632.78/5,446.23 = 3,426.53/x
3. Step 3: Cross multiply
   3,632.78x = 5,446.23 × 3,426.53
4. Step 4: Simplify right side
   3,632.78x = 18,661,651.74
5. Step 5: Solve for x
   x = 18,661,651.74/3,632.78
6. Step 6: Final answer
   x = 5,137.01