Finding the Fourth Proportional to 2,083.86, 2,874.72 and 1,199.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.86 : 2,874.72 = 1,199.16 : x
2. Step 2: Convert to fraction form
   2,083.86/2,874.72 = 1,199.16/x
3. Step 3: Cross multiply
   2,083.86x = 2,874.72 × 1,199.16
4. Step 4: Simplify right side
   2,083.86x = 3,447,249.24
5. Step 5: Solve for x
   x = 3,447,249.24/2,083.86
6. Step 6: Final answer
   x = 1,654.26