Finding the Fourth Proportional to 2,699.69, 4,047.54 and 849.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.69 : 4,047.54 = 849.75 : x
2. Step 2: Convert to fraction form
   2,699.69/4,047.54 = 849.75/x
3. Step 3: Cross multiply
   2,699.69x = 4,047.54 × 849.75
4. Step 4: Simplify right side
   2,699.69x = 3,439,378.75
5. Step 5: Solve for x
   x = 3,439,378.75/2,699.69
6. Step 6: Final answer
   x = 1,273.99