Finding the Fourth Proportional to 4,072.69, 6,109.56 and 1,151.23

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072.69 : 6,109.56 = 1,151.23 : x
2. Step 2: Convert to fraction form
   4,072.69/6,109.56 = 1,151.23/x
3. Step 3: Cross multiply
   4,072.69x = 6,109.56 × 1,151.23
4. Step 4: Simplify right side
   4,072.69x = 7,033,508.76
5. Step 5: Solve for x
   x = 7,033,508.76/4,072.69
6. Step 6: Final answer
   x = 1,726.99