Finding the Fourth Proportional to 2,174.74, 3,235.94 and 2,167.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.74 : 3,235.94 = 2,167.45 : x
2. Step 2: Convert to fraction form
   2,174.74/3,235.94 = 2,167.45/x
3. Step 3: Cross multiply
   2,174.74x = 3,235.94 × 2,167.45
4. Step 4: Simplify right side
   2,174.74x = 7,013,738.15
5. Step 5: Solve for x
   x = 7,013,738.15/2,174.74
6. Step 6: Final answer
   x = 3,225.09