Finding the Fourth Proportional to 2,076.81, 2,865.03 and 1,237.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.81 : 2,865.03 = 1,237.05 : x
2. Step 2: Convert to fraction form
   2,076.81/2,865.03 = 1,237.05/x
3. Step 3: Cross multiply
   2,076.81x = 2,865.03 × 1,237.05
4. Step 4: Simplify right side
   2,076.81x = 3,544,185.36
5. Step 5: Solve for x
   x = 3,544,185.36/2,076.81
6. Step 6: Final answer
   x = 1,706.55