Finding the Fourth Proportional to 3,142.37, 4,712.33 and 1,061.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.37 : 4,712.33 = 1,061.81 : x
2. Step 2: Convert to fraction form
   3,142.37/4,712.33 = 1,061.81/x
3. Step 3: Cross multiply
   3,142.37x = 4,712.33 × 1,061.81
4. Step 4: Simplify right side
   3,142.37x = 5,003,570.25
5. Step 5: Solve for x
   x = 5,003,570.25/3,142.37
6. Step 6: Final answer
   x = 1,592.29