Finding the Fourth Proportional to 2,116.62, 3,174.17 and 1,076.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.62 : 3,174.17 = 1,076.28 : x
2. Step 2: Convert to fraction form
   2,116.62/3,174.17 = 1,076.28/x
3. Step 3: Cross multiply
   2,116.62x = 3,174.17 × 1,076.28
4. Step 4: Simplify right side
   2,116.62x = 3,416,295.69
5. Step 5: Solve for x
   x = 3,416,295.69/2,116.62
6. Step 6: Final answer
   x = 1,614.03