Finding the Fourth Proportional to 3,673.93, 5,538.42 and 3,429.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.93 : 5,538.42 = 3,429.53 : x
2. Step 2: Convert to fraction form
   3,673.93/5,538.42 = 3,429.53/x
3. Step 3: Cross multiply
   3,673.93x = 5,538.42 × 3,429.53
4. Step 4: Simplify right side
   3,673.93x = 18,994,149.85
5. Step 5: Solve for x
   x = 18,994,149.85/3,673.93
6. Step 6: Final answer
   x = 5,169.98