Finding the Fourth Proportional to 2,086.68, 2,892.79 and 1,975.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.68 : 2,892.79 = 1,975.71 : x
2. Step 2: Convert to fraction form
   2,086.68/2,892.79 = 1,975.71/x
3. Step 3: Cross multiply
   2,086.68x = 2,892.79 × 1,975.71
4. Step 4: Simplify right side
   2,086.68x = 5,715,314.13
5. Step 5: Solve for x
   x = 5,715,314.13/2,086.68
6. Step 6: Final answer
   x = 2,738.95