Finding the Fourth Proportional to 3,101.49, 4,650.89 and 1,126.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,101.49 : 4,650.89 = 1,126.46 : x
2. Step 2: Convert to fraction form
   3,101.49/4,650.89 = 1,126.46/x
3. Step 3: Cross multiply
   3,101.49x = 4,650.89 × 1,126.46
4. Step 4: Simplify right side
   3,101.49x = 5,239,045.83
5. Step 5: Solve for x
   x = 5,239,045.83/3,101.49
6. Step 6: Final answer
   x = 1,689.20