Finding the Fourth Proportional to 2,083.76, 2,875.86 and 1,199.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.76 : 2,875.86 = 1,199.84 : x
2. Step 2: Convert to fraction form
   2,083.76/2,875.86 = 1,199.84/x
3. Step 3: Cross multiply
   2,083.76x = 2,875.86 × 1,199.84
4. Step 4: Simplify right side
   2,083.76x = 3,450,571.86
5. Step 5: Solve for x
   x = 3,450,571.86/2,083.76
6. Step 6: Final answer
   x = 1,655.94