Finding the Fourth Proportional to 2,086.24, 2,876 and 1,667.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.24 : 2,876 = 1,667.84 : x
2. Step 2: Convert to fraction form
   2,086.24/2,876 = 1,667.84/x
3. Step 3: Cross multiply
   2,086.24x = 2,876 × 1,667.84
4. Step 4: Simplify right side
   2,086.24x = 4,796,707.84
5. Step 5: Solve for x
   x = 4,796,707.84/2,086.24
6. Step 6: Final answer
   x = 2,299.21