Finding the Fourth Proportional to 2,486.25, 3,730.83 and 1,118.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.25 : 3,730.83 = 1,118.25 : x
2. Step 2: Convert to fraction form
   2,486.25/3,730.83 = 1,118.25/x
3. Step 3: Cross multiply
   2,486.25x = 3,730.83 × 1,118.25
4. Step 4: Simplify right side
   2,486.25x = 4,172,000.65
5. Step 5: Solve for x
   x = 4,172,000.65/2,486.25
6. Step 6: Final answer
   x = 1,678.03