Finding the Fourth Proportional to 2,886.59, 3,982.55 and 1,766.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.59 : 3,982.55 = 1,766.36 : x
2. Step 2: Convert to fraction form
   2,886.59/3,982.55 = 1,766.36/x
3. Step 3: Cross multiply
   2,886.59x = 3,982.55 × 1,766.36
4. Step 4: Simplify right side
   2,886.59x = 7,034,617.02
5. Step 5: Solve for x
   x = 7,034,617.02/2,886.59
6. Step 6: Final answer
   x = 2,437.00