Finding the Fourth Proportional to 2,698.14, 4,047.50 and 849.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.14 : 4,047.50 = 849.31 : x
2. Step 2: Convert to fraction form
   2,698.14/4,047.50 = 849.31/x
3. Step 3: Cross multiply
   2,698.14x = 4,047.50 × 849.31
4. Step 4: Simplify right side
   2,698.14x = 3,437,582.23
5. Step 5: Solve for x
   x = 3,437,582.23/2,698.14
6. Step 6: Final answer
   x = 1,274.06