Finding the Fourth Proportional to 2,092.21, 2,887.03 and 1,208.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.21 : 2,887.03 = 1,208.29 : x
2. Step 2: Convert to fraction form
   2,092.21/2,887.03 = 1,208.29/x
3. Step 3: Cross multiply
   2,092.21x = 2,887.03 × 1,208.29
4. Step 4: Simplify right side
   2,092.21x = 3,488,369.48
5. Step 5: Solve for x
   x = 3,488,369.48/2,092.21
6. Step 6: Final answer
   x = 1,667.31