Finding the Fourth Proportional to 2,092.28, 2,887.38 and 1,208.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.28 : 2,887.38 = 1,208.16 : x
2. Step 2: Convert to fraction form
   2,092.28/2,887.38 = 1,208.16/x
3. Step 3: Cross multiply
   2,092.28x = 2,887.38 × 1,208.16
4. Step 4: Simplify right side
   2,092.28x = 3,488,417.02
5. Step 5: Solve for x
   x = 3,488,417.02/2,092.28
6. Step 6: Final answer
   x = 1,667.28