Finding the Fourth Proportional to 2,086.12, 2,881 and 1,805.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.12 : 2,881 = 1,805.01 : x
2. Step 2: Convert to fraction form
   2,086.12/2,881 = 1,805.01/x
3. Step 3: Cross multiply
   2,086.12x = 2,881 × 1,805.01
4. Step 4: Simplify right side
   2,086.12x = 5,200,233.81
5. Step 5: Solve for x
   x = 5,200,233.81/2,086.12
6. Step 6: Final answer
   x = 2,492.78