Finding the Fourth Proportional to 2,874.62, 3,965.83 and 1,812.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,874.62 : 3,965.83 = 1,812.04 : x
2. Step 2: Convert to fraction form
   2,874.62/3,965.83 = 1,812.04/x
3. Step 3: Cross multiply
   2,874.62x = 3,965.83 × 1,812.04
4. Step 4: Simplify right side
   2,874.62x = 7,186,228.15
5. Step 5: Solve for x
   x = 7,186,228.15/2,874.62
6. Step 6: Final answer
   x = 2,499.89