Finding the Fourth Proportional to 3,141.36, 4,712.18 and 1,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.36 : 4,712.18 = 1,061.18 : x
2. Step 2: Convert to fraction form
   3,141.36/4,712.18 = 1,061.18/x
3. Step 3: Cross multiply
   3,141.36x = 4,712.18 × 1,061.18
4. Step 4: Simplify right side
   3,141.36x = 5,000,471.17
5. Step 5: Solve for x
   x = 5,000,471.17/3,141.36
6. Step 6: Final answer
   x = 1,591.82