Finding the Fourth Proportional to 3,092.34, 4,640.31 and 1,145.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,092.34 : 4,640.31 = 1,145.88 : x
2. Step 2: Convert to fraction form
   3,092.34/4,640.31 = 1,145.88/x
3. Step 3: Cross multiply
   3,092.34x = 4,640.31 × 1,145.88
4. Step 4: Simplify right side
   3,092.34x = 5,317,238.42
5. Step 5: Solve for x
   x = 5,317,238.42/3,092.34
6. Step 6: Final answer
   x = 1,719.49