Finding the Fourth Proportional to 2,849.67, 4,276.31 and 1,118.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.67 : 4,276.31 = 1,118.25 : x
2. Step 2: Convert to fraction form
   2,849.67/4,276.31 = 1,118.25/x
3. Step 3: Cross multiply
   2,849.67x = 4,276.31 × 1,118.25
4. Step 4: Simplify right side
   2,849.67x = 4,781,978.07
5. Step 5: Solve for x
   x = 4,781,978.07/2,849.67
6. Step 6: Final answer
   x = 1,678.08