Finding the Fourth Proportional to 2,086.77, 3,112.47 and 1,759.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.77 : 3,112.47 = 1,759.88 : x
2. Step 2: Convert to fraction form
   2,086.77/3,112.47 = 1,759.88/x
3. Step 3: Cross multiply
   2,086.77x = 3,112.47 × 1,759.88
4. Step 4: Simplify right side
   2,086.77x = 5,477,558.14
5. Step 5: Solve for x
   x = 5,477,558.14/2,086.77
6. Step 6: Final answer
   x = 2,624.90