Finding the Fourth Proportional to 3,144.32, 4,715.25 and 1,142.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.32 : 4,715.25 = 1,142.54 : x
2. Step 2: Convert to fraction form
   3,144.32/4,715.25 = 1,142.54/x
3. Step 3: Cross multiply
   3,144.32x = 4,715.25 × 1,142.54
4. Step 4: Simplify right side
   3,144.32x = 5,387,381.29
5. Step 5: Solve for x
   x = 5,387,381.29/3,144.32
6. Step 6: Final answer
   x = 1,713.37