Finding the Fourth Proportional to 3,141.96, 4,709.65 and 1,061.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.96 : 4,709.65 = 1,061.25 : x
2. Step 2: Convert to fraction form
   3,141.96/4,709.65 = 1,061.25/x
3. Step 3: Cross multiply
   3,141.96x = 4,709.65 × 1,061.25
4. Step 4: Simplify right side
   3,141.96x = 4,998,116.06
5. Step 5: Solve for x
   x = 4,998,116.06/3,141.96
6. Step 6: Final answer
   x = 1,590.76