Finding the Fourth Proportional to 2,167.62, 3,245.46 and 1,125.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.62 : 3,245.46 = 1,125.42 : x
2. Step 2: Convert to fraction form
   2,167.62/3,245.46 = 1,125.42/x
3. Step 3: Cross multiply
   2,167.62x = 3,245.46 × 1,125.42
4. Step 4: Simplify right side
   2,167.62x = 3,652,505.59
5. Step 5: Solve for x
   x = 3,652,505.59/2,167.62
6. Step 6: Final answer
   x = 1,685.03