Finding the Fourth Proportional to 2,083.82, 2,875.84 and 1,199.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.82 : 2,875.84 = 1,199.79 : x
2. Step 2: Convert to fraction form
   2,083.82/2,875.84 = 1,199.79/x
3. Step 3: Cross multiply
   2,083.82x = 2,875.84 × 1,199.79
4. Step 4: Simplify right side
   2,083.82x = 3,450,401.07
5. Step 5: Solve for x
   x = 3,450,401.07/2,083.82
6. Step 6: Final answer
   x = 1,655.81