Finding the Fourth Proportional to 4,061.75, 6,091.25 and 1,139.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061.75 : 6,091.25 = 1,139.37 : x
2. Step 2: Convert to fraction form
   4,061.75/6,091.25 = 1,139.37/x
3. Step 3: Cross multiply
   4,061.75x = 6,091.25 × 1,139.37
4. Step 4: Simplify right side
   4,061.75x = 6,940,165.38
5. Step 5: Solve for x
   x = 6,940,165.38/4,061.75
6. Step 6: Final answer
   x = 1,708.67