Finding the Fourth Proportional to 2,072.94, 2,860.56 and 1,234.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.94 : 2,860.56 = 1,234.20 : x
2. Step 2: Convert to fraction form
   2,072.94/2,860.56 = 1,234.20/x
3. Step 3: Cross multiply
   2,072.94x = 2,860.56 × 1,234.20
4. Step 4: Simplify right side
   2,072.94x = 3,530,503.15
5. Step 5: Solve for x
   x = 3,530,503.15/2,072.94
6. Step 6: Final answer
   x = 1,703.14