Finding the Fourth Proportional to 2,076.81, 2,865.76 and 1,192.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.81 : 2,865.76 = 1,192.59 : x
2. Step 2: Convert to fraction form
   2,076.81/2,865.76 = 1,192.59/x
3. Step 3: Cross multiply
   2,076.81x = 2,865.76 × 1,192.59
4. Step 4: Simplify right side
   2,076.81x = 3,417,676.72
5. Step 5: Solve for x
   x = 3,417,676.72/2,076.81
6. Step 6: Final answer
   x = 1,645.64