Finding the Fourth Proportional to 3,143.48, 4,711.92 and 1,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,143.48 : 4,711.92 = 1,061.52 : x
2. Step 2: Convert to fraction form
   3,143.48/4,711.92 = 1,061.52/x
3. Step 3: Cross multiply
   3,143.48x = 4,711.92 × 1,061.52
4. Step 4: Simplify right side
   3,143.48x = 5,001,797.32
5. Step 5: Solve for x
   x = 5,001,797.32/3,143.48
6. Step 6: Final answer
   x = 1,591.17