Finding the Fourth Proportional to 3,434.42, 5,150.50 and 1,125.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.42 : 5,150.50 = 1,125.38 : x
2. Step 2: Convert to fraction form
   3,434.42/5,150.50 = 1,125.38/x
3. Step 3: Cross multiply
   3,434.42x = 5,150.50 × 1,125.38
4. Step 4: Simplify right side
   3,434.42x = 5,796,241.12
5. Step 5: Solve for x
   x = 5,796,241.12/3,434.42
6. Step 6: Final answer
   x = 1,687.69