Finding the Fourth Proportional to 2,174.82, 3,002.01 and 1,291.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.82 : 3,002.01 = 1,291.38 : x
2. Step 2: Convert to fraction form
   2,174.82/3,002.01 = 1,291.38/x
3. Step 3: Cross multiply
   2,174.82x = 3,002.01 × 1,291.38
4. Step 4: Simplify right side
   2,174.82x = 3,876,735.67
5. Step 5: Solve for x
   x = 3,876,735.67/2,174.82
6. Step 6: Final answer
   x = 1,782.55