Finding the Fourth Proportional to 2,698.59, 4,047.30 and 849.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.59 : 4,047.30 = 849.45 : x
2. Step 2: Convert to fraction form
   2,698.59/4,047.30 = 849.45/x
3. Step 3: Cross multiply
   2,698.59x = 4,047.30 × 849.45
4. Step 4: Simplify right side
   2,698.59x = 3,437,978.99
5. Step 5: Solve for x
   x = 3,437,978.99/2,698.59
6. Step 6: Final answer
   x = 1,273.99