Finding the Fourth Proportional to 2,076.75, 2,865.98 and 1,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.75 : 2,865.98 = 1,192.72 : x
2. Step 2: Convert to fraction form
   2,076.75/2,865.98 = 1,192.72/x
3. Step 3: Cross multiply
   2,076.75x = 2,865.98 × 1,192.72
4. Step 4: Simplify right side
   2,076.75x = 3,418,311.67
5. Step 5: Solve for x
   x = 3,418,311.67/2,076.75
6. Step 6: Final answer
   x = 1,645.99