Finding the Fourth Proportional to 3,141.16, 4,712.24 and 1,061.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.16 : 4,712.24 = 1,061.35 : x
2. Step 2: Convert to fraction form
   3,141.16/4,712.24 = 1,061.35/x
3. Step 3: Cross multiply
   3,141.16x = 4,712.24 × 1,061.35
4. Step 4: Simplify right side
   3,141.16x = 5,001,335.92
5. Step 5: Solve for x
   x = 5,001,335.92/3,141.16
6. Step 6: Final answer
   x = 1,592.19