Finding the Fourth Proportional to 2,774.69, 3,829.05 and 1,515.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.69 : 3,829.05 = 1,515.81 : x
2. Step 2: Convert to fraction form
   2,774.69/3,829.05 = 1,515.81/x
3. Step 3: Cross multiply
   2,774.69x = 3,829.05 × 1,515.81
4. Step 4: Simplify right side
   2,774.69x = 5,804,131.97
5. Step 5: Solve for x
   x = 5,804,131.97/2,774.69
6. Step 6: Final answer
   x = 2,091.82