Finding the Fourth Proportional to 2,315.42, 3,194.49 and 1,371.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.42 : 3,194.49 = 1,371.52 : x
2. Step 2: Convert to fraction form
   2,315.42/3,194.49 = 1,371.52/x
3. Step 3: Cross multiply
   2,315.42x = 3,194.49 × 1,371.52
4. Step 4: Simplify right side
   2,315.42x = 4,381,306.92
5. Step 5: Solve for x
   x = 4,381,306.92/2,315.42
6. Step 6: Final answer
   x = 1,892.23