Finding the Fourth Proportional to 2,092.71, 2,887.77 and 1,208.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.71 : 2,887.77 = 1,208.40 : x
2. Step 2: Convert to fraction form
   2,092.71/2,887.77 = 1,208.40/x
3. Step 3: Cross multiply
   2,092.71x = 2,887.77 × 1,208.40
4. Step 4: Simplify right side
   2,092.71x = 3,489,581.27
5. Step 5: Solve for x
   x = 3,489,581.27/2,092.71
6. Step 6: Final answer
   x = 1,667.49