Finding the Fourth Proportional to 2,710.78, 3,740.83 and 1,515.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.78 : 3,740.83 = 1,515.71 : x
2. Step 2: Convert to fraction form
   2,710.78/3,740.83 = 1,515.71/x
3. Step 3: Cross multiply
   2,710.78x = 3,740.83 × 1,515.71
4. Step 4: Simplify right side
   2,710.78x = 5,670,019.00
5. Step 5: Solve for x
   x = 5,670,019.00/2,710.78
6. Step 6: Final answer
   x = 2,091.66