Finding the Fourth Proportional to 3,627.69, 5,005.42 and 2,134.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.69 : 5,005.42 = 2,134.54 : x
2. Step 2: Convert to fraction form
   3,627.69/5,005.42 = 2,134.54/x
3. Step 3: Cross multiply
   3,627.69x = 5,005.42 × 2,134.54
4. Step 4: Simplify right side
   3,627.69x = 10,684,269.21
5. Step 5: Solve for x
   x = 10,684,269.21/3,627.69
6. Step 6: Final answer
   x = 2,945.20