Finding the Fourth Proportional to 2,673.34, 3,677.49 and 2,174.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.34 : 3,677.49 = 2,174.89 : x
2. Step 2: Convert to fraction form
   2,673.34/3,677.49 = 2,174.89/x
3. Step 3: Cross multiply
   2,673.34x = 3,677.49 × 2,174.89
4. Step 4: Simplify right side
   2,673.34x = 7,998,136.23
5. Step 5: Solve for x
   x = 7,998,136.23/2,673.34
6. Step 6: Final answer
   x = 2,991.81