Finding the Fourth Proportional to 2,174.47, 3,262.61 and 1,394.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.47 : 3,262.61 = 1,394.89 : x
2. Step 2: Convert to fraction form
   2,174.47/3,262.61 = 1,394.89/x
3. Step 3: Cross multiply
   2,174.47x = 3,262.61 × 1,394.89
4. Step 4: Simplify right side
   2,174.47x = 4,550,982.06
5. Step 5: Solve for x
   x = 4,550,982.06/2,174.47
6. Step 6: Final answer
   x = 2,092.92