Finding the Fourth Proportional to 2,861.02, 3,946.83 and 1,800.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,861.02 : 3,946.83 = 1,800.09 : x
2. Step 2: Convert to fraction form
   2,861.02/3,946.83 = 1,800.09/x
3. Step 3: Cross multiply
   2,861.02x = 3,946.83 × 1,800.09
4. Step 4: Simplify right side
   2,861.02x = 7,104,642.46
5. Step 5: Solve for x
   x = 7,104,642.46/2,861.02
6. Step 6: Final answer
   x = 2,483.25