Finding the Fourth Proportional to 4,061.51, 6,091.57 and 1,139.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061.51 : 6,091.57 = 1,139.82 : x
2. Step 2: Convert to fraction form
   4,061.51/6,091.57 = 1,139.82/x
3. Step 3: Cross multiply
   4,061.51x = 6,091.57 × 1,139.82
4. Step 4: Simplify right side
   4,061.51x = 6,943,293.32
5. Step 5: Solve for x
   x = 6,943,293.32/4,061.51
6. Step 6: Final answer
   x = 1,709.53