Finding the Fourth Proportional to 2,076.88, 2,866.04 and 1,237.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.88 : 2,866.04 = 1,237.98 : x
2. Step 2: Convert to fraction form
   2,076.88/2,866.04 = 1,237.98/x
3. Step 3: Cross multiply
   2,076.88x = 2,866.04 × 1,237.98
4. Step 4: Simplify right side
   2,076.88x = 3,548,100.20
5. Step 5: Solve for x
   x = 3,548,100.20/2,076.88
6. Step 6: Final answer
   x = 1,708.38