Finding the Fourth Proportional to 2,076.98, 2,866.46 and 1,291.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.98 : 2,866.46 = 1,291.14 : x
2. Step 2: Convert to fraction form
   2,076.98/2,866.46 = 1,291.14/x
3. Step 3: Cross multiply
   2,076.98x = 2,866.46 × 1,291.14
4. Step 4: Simplify right side
   2,076.98x = 3,700,994.71
5. Step 5: Solve for x
   x = 3,700,994.71/2,076.98
6. Step 6: Final answer
   x = 1,781.92