Finding the Fourth Proportional to 2,076.77, 2,865.88 and 1,192.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.77 : 2,865.88 = 1,192.56 : x
2. Step 2: Convert to fraction form
   2,076.77/2,865.88 = 1,192.56/x
3. Step 3: Cross multiply
   2,076.77x = 2,865.88 × 1,192.56
4. Step 4: Simplify right side
   2,076.77x = 3,417,724.60
5. Step 5: Solve for x
   x = 3,417,724.60/2,076.77
6. Step 6: Final answer
   x = 1,645.69