Finding the Fourth Proportional to 2,774.89, 3,829.21 and 1,515.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.89 : 3,829.21 = 1,515.93 : x
2. Step 2: Convert to fraction form
   2,774.89/3,829.21 = 1,515.93/x
3. Step 3: Cross multiply
   2,774.89x = 3,829.21 × 1,515.93
4. Step 4: Simplify right side
   2,774.89x = 5,804,814.32
5. Step 5: Solve for x
   x = 5,804,814.32/2,774.89
6. Step 6: Final answer
   x = 2,091.91